Semantic search
- DBIx Simple
- DBIx::Simple provides a simplified interface to DBI, Perl's powerful database module. It is aimed at rapid development and easy maintenance, but not at SQL abstraction
- DBLIB
- DBLIB is a PHP library to create WWW interfaces to databases. Its main aim is to support creating interfaces for site administrators, but it can be used as well to create public end-user interfaces. It features over 15 widget types (text, numbers, datetime, password, reference to another table, etc.), automatic data conversion and escaping, automatic input checking in all fields, an abstract data layer that supports several SQL databases, LDAP, and text/dbm files. DBLIB is not a low-level database manager like PHPMyAdmin.
- 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.
- DM Tools
- DMTools is an ongoing project to develop a data mining toolbox written in Python. Two core features of the toolbox are caching of database queries and parallelism within a collection of independent queries. Our toolbox provides a number of routines for basic data mining tasks on top of which the user can add more functions - mainly domain and data collection dependent - for complex and time consuming data mining tasks.
- DNRD
- DNRD is a proxy DNS Daemon. It is useful for a home network where you have multiple ISPs or VPNs. DNRD can be set up to forward all DNS queries to the appropriate DNS server for each of your ISPs.
- DataStatix
- DataStatix is a free software for GNU/Linux and Windows useful to manage data of every kind (although it has been written to manage biomedical data), to create descriptive statistics and graphs and to export items easily to R environment or to other statistic softwares. In order to handle properly big amount of data and many concurrent users, DataStatix works with MySql database and it has been developed and tested with MySql community edition 5.5. Some features of the software are: users management (create, delete, modify password) within the software; different users levels of data access (administrator, default, read only); user defined templates (models) of data, to create new databases easily; importation and esportation of data in CSV format (used also by Calc and Excel); updating of existing data from a CSV file created with DataStatix; descriptive statistics from every data (some more kind of statistics to come); graphs from every data.
- DaveDAP
- * " 'DaveDAP' is now 'phpldapadmin'. " DaveDAP is a PHP-based engine to browse, search, and edit an LDAP server over the Web. You can browse your LDAP server in tree mode, or you can search for users based on any number of easily configurable criteria. Users can create and delete objects, edit their contents, and perform searches. DaveDAP aims to be a Web-based replacement for GQ.
- Dia2sql-stl
- 'dia2sql-stl' is yet another dia2sql converter. It uses libxml2 and the STL to quickly parse UML objects from a Dia diagram and then generates corresponding SQL code to create the tables specified in the UML diagram. It takes a filename and outputs to stdout.
- Diaspora
- Diaspora is a decentralized social network (composed by many servers which interact with each other, the servers are called pods).
- Dico
, - Dico is a flexible modular implementation of DICT server (RFC 2229). In contrast to another existing servers, it does not depend on particular database format, instead it handles database accesses using loadable modules. The package includes several loadable modules for interfacing with various database formats, among them a module for dict.org databases and a module for transparently accessing WordNet. New modules may be written in Guile or Python. A console client program, dico, is also included.
- Django
- Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
- DnDD
- I named this program DNDD. Abbreviation for discussion & democratic decision making. DNDD is a Mysql client program. DNDD is also a bulletin board program focused on decision making procedure. You can use DNDD as a normal bulletin board or as a platform for some group of people to discuss some serious matters and decide what to do. Because DNDD have innate ability to vote and calculate votes, you can use it for class chief election or board meeting.
- Docassemble
- docassemble is a system for guided interviews and document assembly. It provides a web application that conducts interviews with users. After each interview, docassemble generates documents in various formats based on user input and preconfigured templates. Though the name emphasizes the document assembly feature, docassemble interviews do not need to assemble a document; they might submit an application, direct the user to other resources on the internet, store user input, interact with APIs, or simply provide the user with information. docassemble was created by a lawyer/computer programmer for purposes of automating the practice of law, but it is a general-purpose platform that can find applications in a variety of fields.
- Dolphin proxy
- Dolphin is a lightweight HTTP proxy server. It is multi-threaded, easy to configure, and easy to use. This package is not maintained anymore. Its entry is kept here for historical purposes only. See also: dolphin-emu
- Dovecot
- 'Dovecot' is an IMAP server whose major goals are security and extreme reliability. It uses index files to optimally store the mailbox state, which makes it very fast even with huge mailboxes. Indexes won't prevent external mailbox updates, so Dovecot is still fully compatible with standard Maildir and mbox formats. There's also a fully featured POP3 server included.
- Druid
- Druid lets users create databases graphically. Users can add/modify/delete database objects (fields, tables, etc.) using a simple GUI and can document each table and field with HTML information. Druid then generates an SQL script with all table definitions that can be piped to the DBMS; a data dictionary file containing all the tables and field in the database, and Java classes that contain both the tables' constants and users' code. The program works with Java, C, and C++. There is a plug-in architecture, so users can write their own modules. The latest features let you examine the entire jdbc DB structure, rebuild the jdbc DB on the fly using the druid's current database, import the jdbc DB structure into druid for reverse engineering, and add/modify/delete tables' records using a simple grid control.
- Duro
- The goal of the Duro project is to create a library which is as compliant with the proposed database language D as it is possible for a C library. This library is supposed to serve as a basis for a truly relational database management system (TRDBMS).
- Tuples and tables (relvars).
- Relational algebra: RENAME, select (restrict), project, EXTEND, JOIN, SEMIJOIN, UNION, INTERSECT, MINUS, SEMIMINUS, SUMMARIZE PER, DIVIDEBY PER, WRAP, UNWRAP, GROUP, and UNGROUP.
- Virtual tables (views).
- Locking and nested transactions.
- Duro tables are true sets -- uniqueness of tuples (rows) is always enforced. When creating real tables, at least one candidate key must be supplied. A candidate key may be empty.
- User-defined types (including type constraints) and operators.
- Declarative integrity.
- Tcl interface, including support for relational expressions in Tutorial D syntax and operators implemented in Tcl ("stored procedures").
- Simple GUI admin tool.
- DynORM
- DynORM is an open source project which develop a new ORM (object-relational mapping) that can work with relational data (tables and its records) which structure (set of fields, its type, set of constraints etc) can be changed in run-time. “Dyn” for that reasons stands for “dynamic”). DynORM is written on C# and available with its source code (and the demo program that comes with it too). DynORM is a very young and small ORM system, but it has the following advantages: it allows change structure of tables it work with at run-time easily; it allows work with databases without any configuration files; it can work with different RDBMS engines (since it's very young project at the moment it can work with MSSQL and PostgreSQL. Support of other RDBMS will be added in few nearest relases); although it doesn't need any configuration file which describes structure of tables it works with, it's possible to retrieve structure of data and data itself and serialize/deserialize it to/from xml; just because DynORM can serialize/deserialize structure of tables and its records and because DynORM supports several RDBMS it can be used to easily deploy datastructure among servers with different database engines. Serialized structure of tables described in CLR datatypes. Mapping to appropriate datatypes used in every particular RDBMS done by DynORM.
- ENodes
- ENodes is a reliable web development and publishing framework written in Perl and geared on mod_perl.
Operating like a complete layer on Apache, it allows to manage multiple domains dispatched between multiple webmasters. It includes versioning, access lock, parallel version test, fine granularity of permissions and version management, user workflow, import/export mechanisms and a fully integrate plugin interface.
It is nearly stable and already used by many websites.
- Elog
- ELOG (Electronic Web Lobgook) is an electronic logbook with a Web interface. It can be used to maintain personal or shared logbooks, with the ability to add attachments to logbook pages. Logbook entries can be categorized with user-defined classes, and queried using filters on these classes. Automatic email notifications can be sent on new entries based on these classes. The ELOG server is a small stand-alone C program, which runs under GNU/Linux. The logbooks are saved in plain ASCII files for easy and fast access.
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