[[Concept:Business]]

Achievo: Achievo is a Web-based project management and tracking tool for small- to medium-sized companies, aiming to become a fully featured ERP-like system in the future. Features include a time registration module with several statistical tools. Achievo is multi-language, fully customizable, and uses a modular system to allow future extensions. The package is currently available in 13 languages. It's main website went down in mid-2015. As of 9/2016 it is only available via an archive.org copy of achievo.org and its GitHub page, and has publicly announced security vulnerabilities that have been declared won't fix due to being semi-abandoned from lack of time and maintainers.

Active: 'Active' creates a set of Web pages that lets Web surfers contribute to a shared calendar, groups listing, and multimedia news feed with discussion. It's designed to be easy to use, and easy to read the results. The program is under ongoing development as the backend for indymedia.org, and active.org.au.

Active Calendar: "Active Calendar" is a PHP class that generates calendars (month or year view) as HTML tables (XHTML-Valid). It can produce static calendars without any links or calendars with navigation controls, a date picker control, event days and content with event URLs, and linkable days (optionally URL or Javascript). The layout can be configured using CSS, and JavaScript is not required. The supported dates (on systems using a 32-bit signed integer Unix time_t) are: 1902-2037 (Unix) and 1971-2037 (Windows), when using the default PHP native date functions, and 100-3000 and later, when using the ADOdb Date Library.

Advance: Advance is a free software personal information management (PIM) system which is database-backed, Qt based, cross-platform, and includes support for KDE. Advance provides provides schedule, task and contact management.

Advanced Stock Tracking System: Advanced Stock Tracking System (AST) is a Web-based application for keeping track of stocks. It features a portfolio with dividend tracking, a worksheet to keep track of prospects, a stock comparison utility, and a search engine for the stock market based heavily on technical analysis.

Affero: Affero's software project was created to facilitate funding for Free Software projects and to facilitate more effective dialogue among groups. With Affero, those who receive support from Internet forums or mailing lists, or private discussions can now say "thanks" quickly and easily through ratings, comments and donations to the causes selected by the person who helped them. Affero combines a peer based reputation system with a commerce system. Individuals can rate other individuals and make payments on their behalf. Any person can rate another person's contribution. The system doesn't come bundled with any particular forum or community platform, so any independent community host can integrate the services and individuals can share reputation across various communities.

Agnostos: Agnostos is a simple Web-based tool for managing to do lists. It's designed to prevent the cerebral stack overflow that occurs when you try to keep track of several simultaneous projects by brainpower alone. You can prioritize tasks (optionally by date), and assign them to individuals, workgroups, departments, or any combination of the three. Tasks can be assigned priorities and due dates, and sorted by status, priority, or due date. The current release includes simple reporting facilities (which describe the progress on a particular project over the previous week) and an 'audit trail' for each task (time and date of each change of status and priority priority, or individual, group, or department to which it is assigned).

Alfresco: Alfresco is an enterprise-level document management package. It is distributed in three different versions, the Community Edition is free software.

AllCommerce: AllCommerce is an e-commerce/content application based on Perl and SQL92 databases which runs under Unix/GNU+Linux/Win2000 using SQL database engines (MySQL/Postgres/etc). It provides a shopping cart as well as tools for content, merchandise, statistics, vendor, order, and inventory. Its modular design allows it to be used as a complete or partial solution.

Alliance: Complete set of free CAD tools and portable libraries for VLSI design. It includes a VHDL compiler and simulator, logic synthesis tools, and automatic place and route tools. Advanced verification tools for functional abstraction and static timing analysis are part of the system. A complete set of portable CMOS libraries is provided, including a RAM generator, a ROM generator, and a data-path compiler.

AllocPSA: allocPSA is an online professional services automation solution. allocPSA is a suite of integrated applications designed for services-based organizations. It enables services organizations to improve staff efficiency through increased utilization of productive time, better planning, and integrated knowledge management.

Almclk: This is a candidate for deletion: 1. No files/source found 'Almclk' lets you set an alarm on your terminal. It sends a message to your terminal when the alarm goes off, and pops up a window if possible. If you are not logged in at the time, it sends you a customizable e-mail message which is also printed. Also, a 5-minute warning is sent to your terminal and popped up as a window if possible. If you wish to kill the alarm, a script is created for you to do so.

Altium2kicad: Converts .PcbDoc and .SchDoc files created with Altium to KiCad formats

Amethyst: Amethyst is one of the most feature-rich Nostr clients out there. Like other Nostr clients, users can post microblogs, follow other users, and upload images. However, because Nostr is so extensible, Amethyst has has a built-in peer-to-peer marketplace which works over the Bitcoin Lightning Network.

Animal Shelter Manager: Animal Shelter Manager is a complete ksoftware solution for animal sanctuaries and rescue shelters. It features complete animal management, document generation, full reporting, charts, Internet Web site publishing, PetFinder integration, and more.

Annif: Annif is a small Web-based birthday (calendar) monitoring tool. Users can add and remove birthday dates and ask to be notified of birthdays. No other usual calendar features will ever be included. It has multi-lingual support, and currently has translations for English and French.

Ant-phone: ANT is a desktop ISDN telephony application written for GNU/Linux. It supports OSS (Open Sound System) and I4L (ISDN4Linux). Its user interface was made for GTK+ 2.x (GIMP toolkit). It directly interfaces OSS and ISDN devices, so there is no need to install extra software or hardware like PBX or telephony cards, if you've got direct access to an audio capable ISDN card and a full duplex soundcard or two sound devices.

Anteil 2: Anteil is a web-based customer relationship managements application that includes a PHP module to supply database abstraction, transaction logging, and replication. The company produces free customer retention mangement software that lets companies identify, attract, retain support, and service customers, as well as providing consulting and stratgic support services.

Aplakons: Aplakons allows you to build a sheets schema to organize activities to be followed by registered users. You can configure sets of sheets to customize each one’s activities to follow. You prepare a repository of sheets (as concrete activities), and after you order them in different arrays. The arrays can be assigned to users as activity plans. For example, a whole diet (array) based on cooking recipes (activities).

ArcheryClock: ArcheryClock is a countdown timer used for Archery matches. It covers multiple disciplines. The program shows: -How much time is left for the archer to shoot his arrows. -It shows on the screen which turn (A-B-C-D) is ongoing. -And a sound is generated to indicate start or end of shooting. Via a hardware interface, for example arduino, it is possible to connect via USB/serial: Traffic lights. -Buzzer. -Lights to indicate if it's the turn for Archer A, B, C or D. -digits of the timer -etc

Archimedes: Archimedes is for semiconductor device simulations. It is intended to assist engineers in designing and simulating submicron and mesoscopic semiconductor devices based on the Ensemble Monte Carlo method. It is able to handle a wide variety of materials and structures, which are described through simple scripts. It is a 2D Monte Carlo simulator which can take into account all the relevant quantum effects by means of Bohm effective potential. The description of the device is very general and made by means of a simple script language, which makes GNU Archimedes a powerful tool for the simulation of quite general 2D semiconductor devices. Some very interesting results have been obtained and they will be put, as soon as possible, on the web page (some results are already available in the documentation).

Aria Maestosa: Compose, edit, and play MIDI files. Has a graphical user interface with multiple instrument-specific views.

Aricalc: Aricalc is a simple calculator for working with imperial values - dimensions given in feet, inches and fractions of inch. It can do all the standard math functions with those kind of values, as well as with square or cubic values (for area or volume dimensions). It can also calculate all the parameters of a slope (pitch, run, rise and diagonal). It is particularly useful for working in the construction industry.

Art: ART is a reporting and business intelligence solution. SQL queries can be published in a few minutes. Supports tabular, crosstab, charts, scheduling, dashboards, export to spreadsheet and pdf.

Asset Inventory and Risk Assessment: The application is database-independent and multi-platform. It provides Asset Management (asset identification, valuation and risk assessment based on ISO27005), Party management (clients, providers), Contract and license management, and Risk Assessment.

Asterisk: Asterisk is a complete PBX in software. It does voice over IP in three protocols, and interoperates with almost all standards-based telephony equipment using relatively inexpensive hardware. Asterisk provides Voicemail services with Directory, Call Conferencing, Interactive Voice Response, and Call Queueing. It also supports three-way calling, caller ID services, ADSI, MGCP, SIP and H.323 (as both client and gateway). The system needs no additional hardware for Voice over IP. Asterisk connects with digital and analog telephony equipment through a number of hardware devices, including that manufactured by Asterisk's sponsors, Digium. Digium has single and quad span T1 and E1 interfaces for interconnection to PRI lines and channel banks. An analog FXO card is available, and more analog interfaces are pending.

Asterisk Manager Suite: AMS (Asterisk Manager Suite) is a suite of software intended to make day to day administration and monitoring of an Asterisk PBX server easier. It contains a daemon that acts as a proxy to Asterisk's Manger Interface and a GTK GUI application for monitoring and administration.

Asterisk Managment Portal: * AMP is now "FreePBX" The goal of the Asterisk Management Portal (AMP) project is to bring together best-of-breed applications to produce a standardized implementation of Asterisk complete with a Web-based administrative interface.

Asterisk-oh323: 'asterisk-oh323' adds H.323 support to the ASTERISK soft PBX by interfacing the OpenH323 library to ASTERISK through a loadable module. The package provides the channel driver as well as a wrapper in a shared library form. It can initiate and receive calls to and from H.323 endpoints, and has been successfully tested with the H.323 terminals (ohphone, openphone) on the OpenH323 site.

Atlc: 'atlc' (Arbitrary Transmission Line Calculator) is a computer aided design (CAD) package for designing and analysing electrical transmission lines and directional couplers of totally arbitrary cross section, with an arbitrary number of different dielectrics. The analysis programs in 'atlc' lets users find the electrical properties of a transmission line or coupler whose physical dimensions are known. The design programs lets users physically realise a transmission line or coupler with certain given electrical properties. The package supports multiple CPUs, as some parts are CPU intensive. It is most likely to be useful to radio amateurs.

AuctionGallery: AuctionGallery is a terminal script that creates picture galleries for the purpose of putting them into auctions like eBay or Yahoo! Auctions. It can also be used to automatically generate HTML templates for auction descriptions. It is aimed at power-sellers who have hundreds of products listed every day and need an efficient way of generating galleries and organizing pictures in a coherent directory structure.

AxPoint: AxPoint generates slideshows in PDF format from a simple XML description format. It is written as a Perl SAX2(Simple API for XML) handler, but also ships with command line tools. The format supports slide transitions, PDF bookmarks, bullet point transitions, images, text colours, different fonts, and more. The program's output uses the standard XML::SAX::Writer consumer classes, so you can output directly to a file, a string, or however you need to; this is very useful for dynamic web based presentations. The program supports GIF, JPEG, PNG and TIFF image formats.

BAR: 'BAR' is a full reservations system for small to medium-sized tour operators and travel agents. It has been in continuous usage since early 1999. 'BAR' includes full PNR management, inventory management for flights, hotels and rental cars, free (on request) bookings, agent tracking and commissioning, reporting, and travel document printing.

BORG Calendar: Modified from README.md: BORG is a combination calendar and task tracking system. The calendar supports all sorts of appointments and also a simple todo list. The calendar functionality is similar to that of other PIMs. The Task Tracker goes way beyond todo's and might better be called a project tracking system.

BRL-CAD: BRL-CAD includes an interactive geometry editor, parallel ray-tracing support for rendering and geometric analysis, path-tracing for realistic image synthesis, network distributed framebuffer support, image-processing and signal-processing tools.

Barcode

GNU barcode is a tool to convert text strings to printed bars. It supports a variety of standard code to represent the strings and creates postscript output. Features include:

available as both a library and a command line frontend (so you can include barcode printing in your application)
supports UPC, EAN, ISBN, CODE39, and other encoding standards
Postscript and encapsulated postscript output (other backends can be added as needed)
Accepts sizes and positions as inches, millimeters, and centimeters
Can create tables of barcodes (to print labels on sticker pages)

BarcodeWriter: Barcode Writer in Pure Postscript (BWIPP) generates all barcode formats entirely within PostScript so that the process of converting the input data into the printed output can be performed by the printer or RIP itself. This is ideal for variable data printing (VDP) and avoids the need to re-implement the barcode generation process whenever your language needs change. Since this resource is written in PostScript and interpreted within the virtual machine of a printer it is compatible with any operating system and hardware platform.

Bayonne: Bayonne is the telephony server of the GNU project. Based on the ACS project, it offers a multi-line interactive voice response telephony server which may be scripted and telephony plug-ins for runtime driver configuration directly extended thru modular plugins. Bayonne also features "TGI" for making Perl applications "telephony aware". Support has been extended to include XML parsing and support has been started on VoIP integration to support next generation telephone networks. The project is not fully completed but is moving steadily towards producing a finished project that may be used to build telephony based system administration, home automation, automated attendant, v-commerce, and voice messaging systems.

Bbdb: BBDB is the Insidious Big Brother Database for GNU Emacs. It provides an address book for email and snail mail addresses, phone numbers and the like. It can be linked with various Emacs mail clients (Message and Mail mode, Rmail, Gnus, MH-E, Mu4e, VM, and Wanderlust). BBDB is fully customizable.

Beancounter: Beancounter enables stockmarket data analysis and performance evaluation. Its first mode is data gathering - both current data (e.g. closing prices, high, low, volume etc.) and historical price data can be retrieved efficiently using multiple securities per requests, and stored in an SQL database via the command line. Its second mode is data analysis, based on the previously stored data. This includes performance reports and a Value-at-Risk analysis. It supports stock markets in North America, Europe, and Asia, foreign exchange rates, US mutual funds, and US options.

Beehive: Beehive is an event and agent system, which allows you to create your own agents that perform automated tasks triggered by events and filters. It is modular, flexible and really easy to extend for anyone. It has modules, so it can interface with, talk to, or retrieve information from Twitter, Tumblr, Email, IRC, Jabber, RSS, Jenkins, Hue... Connecting those modules with each other lets you create immensly useful agents.

Bennu: Bennu is a software library written in PHP that implements the functionality of the IETF iCalendar 2.0 specification (RFC 2445). Its purpose is to enable applications which have an interest in this format (e.g. calendaring, scheduler and organizer programs) to support iCalendar in an easy, powerful, and extensible way.

Bhpos: BananaPos is point of sale system that consists of a server, a client, libraries, and some associated utilities. The client is GUI based on GTK. System administration is Web-based using PHP. The program currently supports only MySQL.

BidMonkey: 'BidMonkey' automatically places a bid on an eBay auction at the last minute. It will run in the foreground or background, and requires only basic information from the user, such as username, password, item number, and the maximum bid to place. Its most unique feature is that it will automatically determine the auction ending time. All you have to do is tell it how long before the end of the auction you would like to place your bid. Bid Monkey will work internationally (eBay.de for example) due to the fact that any item number can be viewed through any eBay site.

Bidwatcher: 'bidwatcher' can automatically track the course of an eBay auction and bid on it was well.

Bisq: Bisq is a free and open-source application that uses p2p to decentralize itself. Its purpose is to make a user be able to buy and sell cryptocurrencies and exchange them for fiat currency.

Booby: Booby provides Web-based management for bookmarks/favorites, contacts, todos, notes, and news, allowing the user to import and export to common standards. It is fully themeable (by using phpSavant) and has support for multiple users and languages. As of August 3, 2005, this project is known as 'brim'. Please see that entry for the most recent information.

Bookland.py: Bookland is a Python program that generates ISBN bar code symbols (Bookland EAN-13 + 5-digit add-on) in EPS format. Includes UPC-A and EAN-13 classes, so it may be useful in a broader context. You can create a bar code even withou the full ISBN number as bookland will calculate the check digit for you. The program also creates the EAN13 number and check digit and determines the parity patterns and bit encodings.

Bots

Bots EDI-connects your company with your EDI trading partners. EDI is the exchange of electronic business data between companies. Bots takes care of all the needed communications, translations, protocols and standards.
Examples of EDI:

Retail: a buyer orders every day by EDI. The supplier send invoices to this retailer by EDI.
Automotive: just-in-time deliveries are send to the suppliers.

Brightway2: Life cycle assessment, Monte Carlo uncertainty analysis, visualization of results

Brim: 'brim' is a Web based information manager which manages bookmarks, agenda/calendar, contacts, tasks, notes, passwords, collections, and more. It is based on an MVC framework that uses items with a potential hierarchical relation as its base. It supports multiple themes, an unlimited number of items/folders, and has over 15 translations. 'Brim' was formerly known as 'Booby', but has been totally reworked.

Brinance: 'Brinance' is a financial planning and tracking program, hoping to be a functional replacement for something more complicated like GnuCash for those who prefer the command line. It has a few advanced features, such as scheduling transactions in the future and having as many accounts as one might want.

Brother ql: brother_ql is a software package to facilitate printing labels on Brother’s QL-Series label printers. It was designed to be used from the command line but also supports usage from other software packages (via its command line interface or via its Python API).

CDS Indico: Web application to schedule and organise events, from simple lectures to complex meetings, workshops and conferences with sessions and contributions. Also includes an advanced user delegation mechanism, allow paper reviewing, archival of conference information and electronic proceedings.

CGI Calendar: 'CGI Calendar' is a CGI-based event calendar that does not require an SQL database and can run on any system that has a web server supporting CGI and Perl. It supports unlimited events per day that can be sorted by time and by summary. Events are editable and can be described using HTML. It features month, day, and single event views, password protection, a UI controlled by HTML templates and CSS, and support for multiple calendars with a single installation.

CIA: CIA is a “version control informant” that relays commit notifications to IRC channels. The service running the CIA codebase is down since 2011, and the project no longer maintained. It provided real-time VCS commit notifications on various IRC networks. There were CIA hooks for subversion, git, bzr, etc, so a project just had to install such a hook into their repository and register on the CIA website.

CVAssistant: Whether you're looking for a job or trying to help a friend to find one, CVAssistant is the number one tool for you. It helps you by preparing resumes and cover letters and organizing your job application process. It: Stores all your skills and experiences. Creates resumes tailored for each job you apply. Creates cover letters summarized to match each job advertisement. Keeps a history of job applications so you are ready when you receive a phone call. Write resumes in your language. All languages are supported! It's a free and open source software which you can easily download to your computer and start using it out of the box. CV Assistant helps you create specialized resumes in Word .docx format fast and easy. The idea is to have a master resume with all skills and experiences in it. Then based on skills mentioned in the job advertisement, export a clean but well formatted word .docx file as a summarized resume with only relevant skills in it. This increases your chance of getting a job interview as most companies are using Applicant Tracking Software (ATS) or at best hiring managers which may be unaware of similarity between phrases like skilled in MS Word, familiar with Microsoft Word and Fully experienced with office suites. So job seekers need to create specialized resumes for each and every job position with the same wordings used in the advertisement. Add all your skills to CV Assistant, pick only relevant ones. It also creates cover letters! Again, write all possible sentences, and select those relevant ones per job post. CVAssistant helps you free of charge and this software remains for free!

CalDavZAP: CalDavZAP is 100% JavaScript+jQuery CalDAV web client/application. Main features: asynchronous background synchronization, support for RFC compliant vCalendars (version 2.0), support for delegated calendars, support for subscribed calendars, full IANA timezone support, time-range filtering (server support required), localization support (15 languages) and clean user interface.

Calconsole: Calconsole is a calendar and schedule command-line appliction. It is like the standard "cal" utility but with a schedule feature. It works with event data stored in ICS files which are compatible with other calendar applications.

Calcurse: Calcurse is a text-based personal organizer which helps keep track of events and everyday tasks. It has a calendar and a "todo" list, and puts your appointments in order. The user interface is configurable, and you can choose between different color schemes and layouts. All of the commands are documented within an online help system.

Calendar Lock PEA: Calendar Lock PEA is a program for encrypted management of appointments and tasks with cloud connection to Nextcloud and some other cloud providers.

Calendula: Today's cash-strapped nonprofit organizations (NPOs) need as much help as they can get in their fundraising efforts. Most nonprofits rely heavily on fundraising software systems to manage their donors and prospective donors. The Calendula project was created to offer nonprofits a Free Software alternative to the mostly proprietary fundraising/contact management systems that dominate the field. The Calendula project is still in the planning stage; a requirements document and other background information are available through CVS.

CardDavMATE: CardDavMATE is 100% JavaScript+jQuery CardDAV web client/application. Main features: asynchronous background synchronization, support for RFC compliant vCards (version 3.0), support for delegated addressbooks, customizable contact displaying and sorting, localization support (15 languages) and clean user interface.

Ccaudio: GNU ccAudio is a stand-alone C++ class library and newly designated GNU package for manipulating audio data, whether on disk or in memory. GNU ccAudio offers the ability to work with audio file formats on disk by treating audio data as sequenced arrays of sample data rather than as arbitrary octets as some audio file manipulation libraries do. In addition to being audio content aware, GNU ccAudio allows header manipulation for setting things like annotation fields. GNU ccAudio is also endian aware and highly portable to both posix and win32 based systems. GNU ccAudio also offers basic audio signal processing including tone data set generation and pluggable codec operations. In the future we will provide loadable free software audio codec modules for many common audio encoding formats where not patent encumbered.

Ccrtp: GNU ccRTP is a high performance threadsafe C++ RTP (Real-Time Transport Protocol) stack. It can be used to build both client and server applications for audio and visual conferencing over the Internet, for streaming of realtime data, and for next generation IP based telephony systems.

Ccscript: GNU ccScript is a C++ class framework for creating a virtual machine execution system for use with and as a scripting/assembler language for state-transition driven realtime systems. It is the core of the scripting engine found in GNU Bayonne. It is meant to be used where step execution is important, and where each step is in response to a callback event or a state machine transition. It offers deterministic execution and low overhead so that many concurrent instances can run together. However, in addition to offering step machine execution, GNU ccScript loads all scripts into an active image at once. This is for performance, as all operations in the script system, to assure deterministic execution, are in memory. GNU ccScript also offers the ability to load new scripts en masse. Existing active sessions operate on the currently loaded scripts, and new sessions are offered the new script. When the last active session on an old script set completes, the entire script set is flushed from memory, so you can operate scripted servers without downtime for rebuilding script images in memory.

Cday-php: The CDAY Calendar Almanac displays historical anniversaries such as birthdays and general events. It displays the equivalent date in multiple calendar systems, including Hebrew, Julian, JDNs, Great Underground Empire (Zork), and Shire (Lord of the Rings). Separate command line and Web-based versions are available, along with a free library of thousands of events.

Celebrat: Celebrat is a very easy-to-use, non-interactive, text-mode calendar application. It reads a data file in ASCII format, and prints on stdout a human-language summary of what events will take place up to ten days from now. It also includes a small daemon which announces events that are due by putting a message on every registered terminal, or by integrating the announcement in the bottom line of GNU screen sessions.

Chart: Chart is stock market charting program. It downloads and displays market daily data and current price quotes in various styles and with many standard technical analysis indicators and averages. Data is obtained from several sources, including Barchart and Yahoo Finance (which covers most major world exchanges). Alert levels, notes, and free-form trend lines can be added to charts. Chart is at "personal project" level, which means the features are those things which interest the author, but the aims are serious. Chart is written in GNU Guile and perl, and customizations and extensions can be added using Scheme code. The main interface is the Guile Gtk GUI. An Emacs interface is included too, for viewing price quotes within Emacs, including importing into the Simple Emacs Spreadsheet (and other uses).

ChkBk: ChkBk is a simple, yet functional checkbook registry program. It allows the user to keep an accurate record of checking and/or savings account transactions, to view a full or partial transaction history, to backup and restore the database from a file, and to print a list of transactions in a nice, easy-to-read format.

Chronos: Chronos is a Web agenda calendar for intranets, (although it can be used from anywhere). It can send reminders by email, and lets you to schedule multi-user events. It is fast and light on resources. The balance between size and speed can be tweaked by tweaking mod_perl and Apache.

Circle Blvd: Team task management. Intended for volunteer organizations, non-profits, and small groups. In agile-development terms, it is a streamlined backlog management tool.

CitrusDB: CitrusDB is a web based customer database and billing software solution that uses PHP and a database backend (MySQL) to keep track of customer information, CRM, services, products, billing invoices and credit cards, and customer service information.

CiviCRM: CiviCRM is web-based Constituent Relationship Management (CRM) software geared toward meeting the needs of non-profit and other civic-sector organizations. The software is a robust web-based, open source, highly customizable, CRM to meet organizations’ highest expectations right out-of-the box. Each new release of this open source software reflects the very real needs of its users as enhancements are continually given back to the community. With CiviCRM's robust feature set, organizations can further their mission through contact management, fundraising, event management, member management, mass e-mail marketing, peer-to-peer campaigns, case management, and much more.

Civikmind: Civikmind is Web software you can use to make solutions in your community. It is a state-of-the-art, System information,management platform that focuses on social solutions for communities, persons, and organizations.

ClearHealth: ClearHealth is a practice management system and EMR. It draws on the FreeMED and OpenEMR projects, is based on the smarty templating engine, and uses the FreeB2 medical billing engine.

ClosedShop: 'closedShop' attempts to provide an easy to set up, manage and utilize shopping cart. Based on Perl and MySQL, its aim will be to provide all the features a commercial shopping cart offers at no cost. Users can search for items by description, title, or category, and they can have individual accounts for checking order status. The package has a cookie based shopping cart, so customers can continue shopping. It also has email confirmations for both customer and administrator, as well as the ability to manage a mailing list of customers. It has a relatively secure user/admin authentication without a secure server -- with a secure server (for which there is support), you would be very secure.

ConTagged: ConTagged is a Web-based address book for small companies. It features a public address book which is writable for all company staff and a personal address book for each staff member. Contacts can be grouped and looked up flexibly by assigning tags to them. It requires an existing LDAP server to authenticate users and to store the contact data.

Confy: Confy is a program that lets users navigate conference schedules. Events can be listed by day, room or track, and users can see the events' descriptions and other information. Talks can be marked as 'starred' for ease of identifying them at a later time. Confy automatically checks for updates to schedules, which can be added to Confy in a number of formats. Confy uses GTK and libhandy for its graphical user interface, allowing it to be used on a variety of screen sizes.

CopyQ

CopyQ is a rich, graphical clipboard manager.

Store text, HTML, images and any other custom format.
Customize tray menu.
Save items in tabs or tree.
Quickly browse through items (fast navigation, filtering with matched text highlighting).
Sort items, create new, edit, remove, copy/paste to different tab.
Variety of system-wide shortcuts (e.g. show main window or tray, edit clipboard, copy next/previous, paste as plain text).
Immediately paste to focused window from tray or main window.
Fully customizable appearance (colors, fonts, transparency).
Advanced command-line interface and scripting.
Ignore clipboard copied from some windows or containing some text.
Apply custom commands on selected items or automatically when new matching clipboard content is available.

Corais: The Corais platform is based on Open Atrium, which is itself based on Drupal. It is used for organizing collaborative projects.

CorneliOS: CorneliOS is an easy-to-use and cross-browser "Web Desktop Environment", "Web Operating System", or "Web Office" that comes with a set of cool applications.

CreditCruncher: CreditCruncher is a program that uses the Monte Carlo method to compute the credit risk of large portfolios in which assets are mortgages, loans, bonds, endorsements, or the like (all of them of fixed income with a policy buy/sell and hold). The default time is simulated using a gaussian copula, taking into account the transition matrix (or survival function) and sectorial correlation matrix defined by the user.

CryptPad: CryptPad is a libre and encrypted collaboration suite that can be used for forms, presentations and other collaborative documents.

CuteFlow: CuteFlow is a Web-based document circulation tool. Users are able to define "documents", which are sent step-by-step to every user in a list. It provides an electronic method for doing internal document circulations.

Cwriter: cWriter is a Web-based collaborative writer. It's homepage is in French, went offline in 2007 so the homepage link is to archive.org. It's source code has translations for English, Spanish, German, and French. Its goal is to facilitate working on a document online and collaborating with peers. It includes tools like a calendar, a file repository, user permissions fixed per document, a bookmark database, a full text search engine, advanced log visibility, and more. cWriter can also be used as an intranet freeform tool.

DAViCal CalDAV Server: DAViCal is a server implementing the CalDAV protocol for shared workgroup calendaring. It uses the PostgreSQL database for backend storage of the calendar data.

DEWAWI: DEWAWI is a web based and simple to use merchandise management system including customer relationship management. The software is designed to increase the productivity and effectiveness of the business processes at small and middle size businesses. Thanks to the web based software DEWAWI can be installed on any GNU/Linux, Apache server to make the system accessible worldwide. The user interface is designed with mobile first strategy to make it available for any type of devices accessible. The architecture of the DEWAWI is based on modules and it is easily expandable to new functions.

DMBCS Market Data API: While there are several open APIs available on the Internet for fetching stock market trading data, there are scant few which provide data of the markets themselves, in particular it is quite difficult to programmatically get an enumeration of all the components of a particular market from the Internet. The DMBCS Market Data service provides this facility, offering two end-points which enumerate all markets known to the system and all components of any given market. The service provides a RESTful API which is currently freely available without registration. More information can be found at https://rdmp.org/trader-desk. Here we present the reference implementation of a client-side library for programmatically getting data from the service.

DMBCS Trader Desk: Lightning fast application for interactively exploring historical stock market prices.

DTemplate: dTemplate is a flexible template system. It can generate HTML or newsletters, etc., and is similar to the CGI::FastTemplate system in that it separates the code from the design. You can define only one kind of template variable (placeholder), but you can assign anything you want to it, even an unnamed subroutine, which can parse other templates. You can define a template parse tree this way. Advanced features include printf formatting of template variables (for statistic generation), transparent handling of multiple styles of a template (for multi-language sites or skinned web-pages), and encoders (uri_encoder and html_encoder). You can write template-parsing routines in the same way the templates are structured logically: starting from the biggest and going to the smallest.

Dartool: This is a candidate for deletion: broken links, can't find software elsewhere, software not on archive.org, my email to developer was unanswered. Danm (talk) 12:06, 30 December 2017 (EST) Recruiters reposting the same positions every day on DICE. This makes the time period selection on the site nearly worthless, and forces job seekers to weed through all of the posts they've already seen. 'dartool' circumvents this by building a cache of previously seen posts and creating a local Web page each time it is run that only lists positions not previously seen.

Darwin2k: 'Darwin2k' is a robotics design and simulation program. Its simulation capabilities support engineering design and controller prototyping for robotic application; for example, it includes detailed motor and gearhead performance models, and the ability to estimate stresses in structural elements during simulation. Darwin2K is *not* an end-user application. Most uses will require at least a little coding, usually to specify application-specific robot controllers and models, high-level task descriptions, or specialized simulation components. That being said, Darwin2K does include a range of general-purpose robot models, controllers, and simulation and analysis capabilities, useful in a wide range of robot design and programming applications, that eliminate most of the work in developing a task-specific simulation or optimized robot prototype. The system also includes a distributed evolutionary algorithm for automated synthesis and optimization.

DataMelt: DataMelt (DMelt) is an environment for numeric computation, statistical analysis, data mining, and graphical data visualization on the Java platform. This Java multiplatform program is integrated with a number of scripting languages: Jython (Python), Groovy, JRuby, BeanShell. DMelt can be used to plot functions and data in 2D and 3D, perform statistical tests, data mining, numeric computations, function minimization, linear algebra, solving systems of linear and differential equations. Linear, non-linear and symbolic regression are also available. Neural networks and various data-manipulation methods are integrated using powerful Java API. Elements of symbolic computations using Octave/Matlab scripting are supported.

Debt Payoff: DebtPayoff is an application which will calculate how long it will take to pay off a credit card at a given interest rate and payment amount. It will also calculate how much of what is paid will go toward interest.

DemocracyOS: DemocracyOS is an online space for deliberation and voting on political proposals. It is a platform for a more open and participatory government. The software aims to stimulate better arguments and come to better rulings, as peers.

Dia: Dia is a program for creating diagrams of all kinds. It can create many types of diagrams, including UML, network and flowchart diagrams. The engine is very flexible and dynamically loads diagram-types from disk. Dia can also print diagrams and export tham to a number pf formats including EPS, SVG and PNG.

DialFOX: This is a candidate for deletion: 1. No files sources found. DialFOX is an express dialplan report generator that is used with the Asterisk PBX system. It is able to make an inventory of any device (such as SIP phones, softphones, and ATA) that is active in a local network. It lists their extensions, IP address, username, caller queue, device info, and comments. It can easily access with a mouse click to any SIP device that is found in the LAN. Furthermore, DialFOX provides additional information about phone devices like firmware release, key functions, and many more. DialFOX replace each sheet that are maintained by hand like hosts file and attaining this unnecessary.

Dismal: Dismal (Dis' Mode Ain't Lotus) is a major mode for GNU Emacs that implements a spreadsheet. It is designed to be keystroke driven rather than mouse/menu driven (although it can be menu driven), and it is extensible. Users can write their own commands and functions, for example, to allow a function cell to write to several nearby cells. A ruler can be put up that reflects the semantics of column names past the ones automatically provided as letters. Dismal has some useful functions that implement the keystroke level model of Card, Moran, and Newell. Dismal is now maintained within ELPA, https://elpa.gnu.org.

Dlume: Dlume is nice, gtk2-based addressbook. You can easily add, edit and delete records to/from database (but Dlume doesn't rely on an outside database - It stores your contacts in XML format). The Quick-search feature allows you find required entry in comfortable way. Export to CSV and HTML formats is also available.

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