[[Database::+]]

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.

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.

xs Duro is implemented on top of the Berkeley DB database library.

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.

Emdros: Emdros is a text database engine for annotated or analyzed text. Linguistic analyses are the primary target domain, but other fields that deal with analyzed or annotated text may also benefit from Emdros. The package includes a powerful query language for query/create/update/delete operations. The query-operations are particularly powerful, using embedding and consecutiveness of query-language constructs as ways of mapping queries to database matches that have the same structure.

Encuestame: Encuestame has been developed by @jotadeveloper and @dianmora since mid-2008 and was created to fill empty space in the survey online world, there are only a few options ready to use and others only under expensive rates, is the time for an open source option. Along the last years we have been adding new features, being able to connect Encuestame with the most famous Social Networks, trying to give you a project easy to be installed, to be usable and to be easy manageable. In mid-2011 we release the first version of Encuestame, since then we managed to make usable Encuestame in the new mobile world. Also we've enjoyed the support of companies like Atlassian and Jetbrains that have offered pen source licenses to our team. The history doesn't finish here, it will have more features coming soon.

Erw: ERW (Entities and Relationships on the Web) is an innovative system for handling complex databases using a Web browser. It uses the most recent standards endorsed by the W3C to offer to the user a sophisticated environment, similar to a dedicated client. Moreover, the user interface is generated in a completely automatic way starting from a conceptual description of the database by means of an XML-based description language for entity-relationship schemata. From the same description, you can also automatically obtain diagrams and documentation. ERW can be used for content management, in particular when the data is structured along complex relations.

FbNotex: fbNotex is a free software for macOS useful to manage many textual notes in Markdown format, files and tasks using the Firebird database.

Ferret: Ferret is the GNU data modeller. It lets you create data models and implement them in a relational database. You can draw your data model via an entity-relation diagram, generate the tables from it (another graphical diagram), and then generate the SQL that creates such relational tables. Several SQL dialects are supported (for most popular free software database systems) and it is very easy to patch the sources to support more. This package was formerly known as 'GerWin.'

FerretDB: Modified from README.md: FerretDB was founded to become the de-facto free software substitute to MongoDB. FerretDB is an free software proxy, converting the MongoDB 6.0+ wire protocol queries to SQL - using PostgreSQL or SQLite as a database engine. FerretDB is compatible with MongoDB drivers and popular MongoDB tools. It functions as a drop-in replacement for MongoDB 6.0+ in many cases. Features are constantly being added to further increase compatibility and performance.

Ffproxy: ffproxy is a filtering HTTP proxy server that can filter by host, URL, and/or header. Custom header entries can be filtered and added. It can even drop its privileges and optionally chroot() to a directory. It supports logging to syslog() and using another auxiliary proxy server.

FlameRobin: FlameRobin is a tool used to do common database administration tasks against Firebird databases: running SQL queries, browsing and changing the database structure (tables, views, triggers, procedures, indexes, constraints, sequences, etc.), adding new and modifying existing data, doing backup and restore, managing database users, etc.

FlashPash: This is a candidate for deletion: Links broken. No links to page. Email to maintainer broken. Poppy-one (talk) 14:39, 30 July 2018 (EDT) 'flashPash' is a client/server database tool that lets applications to easily retrieve and update information over the internet or an intranet. Thanks to the PHP ADOdb abstraction library, 12+ databases are supported. Whilst it can be used only on a server, it's primary use is with Flash Shockwave clients, using XML to transport data between client and server.

FlatFileSQLDatabase: This is a candidate for deletion: Sourceforge last updated 2013. Email to maintainer broken. Poppy-one (talk) 15:01, 30 July 2018 (EDT) FlatFileSqlDatabase is an implementation in PHP of a small database using SQL to access and using text files to store the data.

Fnord httpd: 'fnord' httpd is a small HTTP server (15k static binary). It is fast, and supports sendfile and connection keep-alive, virtual domains, content-ranges, and IPv6. It does transparent content negotiation for special cases (html - html.gz, or gif - png), and has directory index generation.

Foodsoft: Foodsoft is online software for a non-profit food coop. It features a product catalog, order cycle management, accounting, and tasks. A food cooperative is a group of people buying food from suppliers of their own choosing; a collective do-it-yourself supermarket. Members order their products online and collect them on a specified day, and all put in a bit of work to make that possible. Foodsoft facilitates the ordering and administration.

FormEntry: 'FormEntry' generates an HTML which shows some (or all) database columns as TEXT input areas, drop downs, radio boxes etc. The user sees/modifies only those parts of the database you want. 'FormEntry' generate the form directly from the tables. It controls the behavior and access of each column of data - not showing some, allowing only read-only viewing for others, and allowing full modification for others. It also provides the CGI scripts to deal with the action of the , so you don't need to write them.

Ftpcluster: 'ftpcluster' integrates a number of individual FTP servers into a single large server. You can think of it as a network disk array with FTP as the access protocol.

GAdmin-ProFTPD: GAdmin-ProFTPD is a GTK+ frontend for the ProFTPD standalone server. It gives admins access to virtual hosting and eight layers of security, including chrooted users and encrypted transfers on both the data and/or control channels.

GNUData: GNUData is a system of storage of information developed with tools of free software. That can be used as Regional Databases with publication of the same informations in dynamic consultations.

GT.M: GT.M is a schema-less database engine with scalability proven in the largest real-time core processing systems in production at financial institutions worldwide, as well as in large, well known health care institutions, but with a small footprint that scales down to use in small clinics, virtual machines and software appliances. The GT.M data model is a hierarchical associative memory (i.e., multi-dimensional array) that imposes no restrictions on the data types of the indexes and the content - any schema, dictionary or data organization is entirely that implemented by the application logic. GT.M's compiler for the standard M (also known as MUMPS) scripting language implements full support for ACID (Atomic, Consistent, Isolated, Durable) transactions, using optimistic concurrency control and software transactional memory (STM) that blurs the distinction between databases and programming languages. Its unique ability to create and deploy logical multi-site configurations of applications provides unrivaled continuity of business in the face of not just unplanned events, but also planned events, including planned events that include changes to application logic and schema.

GUJ Chat: GujChat is a chat server management system which can manage different chat servers, each one serving different rooms. A single GujChat installation is capable of serving diverse Webmasters with different templates, rooms and configurations. It is particularly useful for webmasters who are looking for a chat room or a chat server and service providers who offer chat servers to their clients. GujChat is completely multi-lingual and can be installed under any Servlet API 2.2 (or newer) compliant servlet container.

Gdbm: GDBM is a library for manipulating hashed databases. It is used to store key/value pairs in a file in a manner similar to the Unix dbm library and provides interfaces to the traditional file format. This is a GNU package.

Gedafe: Gedafe (Generic Database Front-End) is an application independent end-user web front-end for databases. This means that the front-end has no information about the structure and contents of the database. All application logic along with meta-information on how to present the data, is put into the database. The front-end gathers this information and uses it to build the user interface. This greatly reduces development time since you only have to develop the application at the database level; the web front-end comes for free.

GeoNature: GeoNature is a suite composed of six different tools for the collection, management and distribution of wildlife data, and the administration of users and taxonomy repositories. The purpose of this suite is to build a tool that presents updated information on all sightings of the local species spotted by the national park’s agents.

Geotrek

Geotrek is an free software solution composed of a Geographic Information System (GIS) mapping tool, a website and a mobile application, for management and support to the development and preservation of the natural territory. The development of Geotrek started as a cooperation between the Écrins National Park and the Mercantour National Park in France, under contract with the software company Makina Corpus. Later, the Alpi Marittime Nature Park joined the project, taking the solution across the border to Italy. As of 2022, close to 20 national parks across France have reused the code and configured their maps with data on the trails and activities. The solution includes three components:

Geotrek-Admin, for the management of the paths by the National Parks and Tourism organisations, with GIS features. The managing parties can draw and manage the hiking trails with sections and topological networks.
Geotrek-Rando, web application for the promotion of activities, for search and display of the hiking trails within the national park. Users can filter the results based on activity, distance, difficulty, and other characteristics.
Geotrek-Mobile, for easy access to Geotrek’s functionalities on the go/while in nature (for both Android and iOS).

Gequel: 'GEQUEL' is a GTK-based frontend for MySQL. It was loosely derived from an old program by the same author (xsqlmenu). It retrieves data from MySQL databases, presents them in nice browsers, and lets users do update, delete, insert, search, query, and copy operations.

Glom: 'Glom' is a GUI that lets you design PostgreSQL table definitions and the relationships between them, as well as edit and search the data in those tables. The design has the added advantage of separation between interface and data. It attempts to provide a simple generic framework sufficient to implement most database applications (which normally consists of lots of repetitive, unmaintainable code). Glom-specific data such as the relationship definitions is saved in the Glom document. Glom re-connects to the postgreSQL server when it loads a previous Glom document. The document is in XML format.

Gnome transcript: GNOME Transcript is an SQL database client with a plugin system that supports multiple database servers. It features different table designers for different database servers (based on the plugin system) to maximize the capabilities of each server, the ability to drop/browse/edit tables easily, and the ability to open multiple connections at the same time. You can also work with multiple connections from different servers at the same time.

Gnowsys: GNOWSYS is an acronym for "Gnowledge Networking and Organizing SYStem." It is a web based object oriented database server with each object provided by an unique URL. GNOWSYS is a tool to construct and store persistently a Gnowledge Base (GB). The GB consists of the following three groups of constructor classes (system and temporal classes under development): PredicateGroup: relationType, relation, functionType, function Object Group: metaType, class, object (with provision to have classes and objects of declarative, procedural, encapsulated, temporal etc.) Structure Group: systemType, system, flowType, flow, processType, process GNOWSYS indexes data and metadata of objects in a catalogue for faster queries. Optionally, data can remain anywhere on the Internet (only the metadata stays in the database). Surrogates of procedures (classes, functions, and system calls) can also be installed in the database as special objects. These procedures execute as web services, so users can design applications without writing program in any programming language by specifying the semantics of a program and mapping the elements of the program to the surrogates of procedures is sufficient for GNOWSYS to test the application design.

Gnu Hosting Helper: This package provides tools to manage many of the aspects of a hosting environment.It also provides a client utility to reduce the need for staff to perform tasks that a client needs such as managing email accounts. GNU HH will support multiple servers from a single adminstration console and single client console. The system is completely dynamic tracking resource allocations across all managed servers. The system will operate on a single server or a completely distributed network of many machines.

Gnusql: Portable multiuser relational database management system. It supports the full SQL89 dialect and has some extensions from SQL92. It provides multiuser access and transaction isolation based on predicative locks. The working OS is Unix; the working language is C. The program also uses RPC, shared memory, and message queues. Note: as of June 26, 2001, this program is no longer being maintained or developed.

GoAccess: GoAccess is a real-time Apache web log analyzer and interactive viewer that runs in a terminal and provides fast and valuable HTTP statistics for system administrators that require a visual report on the fly.

GproFTPd: GProFTPD is a GNOME frontend for the ProFTPD standalone server.

Gq: GQ is a GTK-based LDAP client that enables you to search and browse any LDAP V2- or V3-compliant server. You can also add, edit, and delete entries. Other features include a template builder, the ability to export a subtree or a whole server to LDIF, the ability to use any number of servers, and the ability to search based on a single argument or LDAP filter.

Guile-dbd-mysql: 'guile-dbd-mysql' is a MySQL database driver for guile-dbd.

Guile-dbd-postgresql: 'guile-dbd-postgresql' is a PostGreSQL database driver for guile-dbd.

Guile-dbi: 'guile'-dbi is a generic database interface for Guile that provides a way to use database drivers that are linked at run-time.

Gurgle: GURGLE (GNU Report Generator Language) is a software package for business applications. It produces database report listings from record and field information from a file. It uses the report to produce (La)TeX-formatted output, plain ASCII text, troff, PostScript, HTML, XML, or any other ASCII-based output format. It may be used for producing large bodies of text where small parts of the text are substituted with information from the database. GURGLE supports GNUSQL, PostgreSQL, MySQL and CA-Ingres databases. It also has an optional support for Guile.

H-client: The h-node project (https://www.h-node.org) is a website and database of computer hardware which works with fully free operating systems. h-client is a GTK+ graphical client which is able to detect the hardware inside the computer it's running on, and peripherals connected to it, and help you submit that information to the h-node project, along with your observations (eg: how well the hardware works with a fully free operating system, any special configuration required, etc).

HOpla: hOpla was dubbed as a GNU program by Richard Stallman in 2000. This software was developed by the maintainer of the GNU ToutDoux Project management tools.
History
hOpla was a link (command line) between XML files and SQL databases. It was intended for database administration, database structure modification, and the importing/exporting of data.

HTTP-Replicator: 'Replicator' is a replicating HTTP proxy server. Files that are downloaded through the proxy are transparently stored in a private cache, so an exact copy of accessed remote files is created on the local machine. It is, in essence, a general purpose proxy server, but especially suited for maintaining a cache of Debian or Gentoo packages.

Halberd: To cope with heavy traffic loads, web site administrators often install load balancer devices. These machines hide (possibly) many real web servers behind a virtual IP. They receive HTTP requests and redirect them to the real web servers in order to share the traffic between them. Halberd is a tool aimed at discovering real servers behind virtual IPs.

Haskell Database Connectivity: HDBC provides an abstraction layer between Haskell programs and SQL relational databases. This lets you write database code once, in Haskell, and have it work with any number of backend SQL databases (MySQL, Oracle, PostgreSQL, ODBC-compliant databases, etc.)

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