About a month after the release of the Duke Nukem 3D source code, Blood project manager Matt Saettler released the source code for both EDuke v2. 0 and EDuke v2. 1, the test version of what would have eventually become the next EDuke release, under the GPL.

The original GPL version of this toolkit only existed for the X11 platform, but with the release of Qt 4, LGPL versions are available for all platforms.

However, from around 2002 and forward current versions of Sorcerer release some key components under the Sorcerer Public License and not the GPL, and the distribution has dropped the term GNU / Linux.

* Open Search Server is a search engine and web crawler software release under the GPL.

The release of the game on budget ranges, the inclusion of a demo CD with the Nürburgring in the track's official 1999 season magazine as well as its giveaway in Germany in a 2001 issue of the magazine PC Action, also encouraged newcomers to GPL.

As of the initial release, the wings were only adjustable outside the game in the GEM + utility ( also used to reconfigure GPL for the various mods ), while in-game wing settings were later realised in the Part 2 release.

In 1998, Schelter obtained permission from the Department of Energy to release his version under the GPL.

The implication was that KISS was violating the GPL License, since KISS did not release its firmware under the GPL license.

Quanta was licensed under GPL before the release of version 2. 0 final.

It was also the first release distributed under the terms of the GNU GPL, Geturl having been distributed under an ad-hoc no-warranty license.

( It was violating GPL license of Quakeworld, so its creator was forced to release it by John Carmack.

Another milestone in sim racing came in 1998 with the release of Grand Prix Legends ( GPL ) from Papyrus, based on 1967 F1 season.

The release of a third-party add-on for GPL — VROC ( Virtual Racers Online Connection ) -- allowed racers to join together online and race in leagues.

The release was licensed under the GPL.

Since XviD is free software, released under the GPL, Leaf was forced to release the source code to those games under the same license.

PSI4 is the latest release of the program package-it is open source, released as free under the GPL through SourceForge.

However, MZXak version 1 did not comply with the GPL – the code was only made publicly available months after its release, and with much protesting from Akwende.

Following their promise to release a fully buildable JDK based almost completely on free and open source code in the first half of 2007, Sun released the complete source code of the Class library under the GPL on May 8, 2007, except some limited parts that were licensed by Sun from 3rd parties who did not want their code to be released under a free software licence.

Version 4. 17 ( GPL release ): design circa 1992

Beginning with 0. 9 in August 2000, the SmoothWall GPL 0. 9. x series went through several versions based on the 2. 2 Linux kernel, culminating in 0. 9. 9 SE in December 2001, which was probably the most popular GPL release.

The source code of the Quake and QuakeWorld engines was licensed under the GPL in 1999.

On October 11, 2006, John Romero released the original map files for all of the levels in Quake under the GPL.

On December 21, 1999, John Carmack of id Software released the Quake engine source code on the Internet under the terms of the GPL, allowing programmers to edit the engine and add new features.

Noclip mode is available in numerous open source games based on the GPL Quake source code.

The project began in 2002 when the original creators Fred Ford and Paul Reiche III released the source code of the 3DO version as open source under the GPL.

The Artistic License refers most commonly to the original Artistic License ( version 1. 0 ), a software license used for certain free and open source software packages, most notably the standard Perl implementation and most CPAN modules, which are dual-licensed under the Artistic License and the GNU General Public License ( GPL ).

This license is a 2-clause BSD license with an additional copyleft clause similar to the GNU GPL version 2's Section 3, requiring source code of an application using Berkeley DB to be made available for a nominal fee.

The source code to the Duke Nukem 3D v1. 5 executable, which uses the Build engine, was released as free software under the GPL on April 1, 2003.

Other predefined circuits are available from developer communities such as OpenCores ( typically released under free and open source licenses such as the GPL, BSD or similar license ), and other sources.

The source code was to be released later, under the GNU General Public License ( GPL ).

In conjunction with his self-professed affinity for sharing source code, John Carmack has open-sourced most of the major Id Software engines under the GPL license.

On November 13, 2006, Sun released much of Java as free and open source software, ( FOSS ), under the terms of the GNU General Public License ( GPL ).

* OpticalRayTracer – GPL | Open source lens simulator ( downloadable java )

GnuPG is freely available together with all source code under the GNU General Public License ( GPL ) and is maintained separately from several Graphical User Interfaces ( GUIs ) that interact with the GnuPG library for encryption, decryption and signing functions ( see KGPG, Seahorse, MacGPG ).

REBOL 3 source code is scheduled to be released as open source, likely under GPL v2, on October 1, 2012

Red Hat creates, maintains, and contributes to many free software projects and has also acquired several proprietary software packages and released their source code under mostly GNU GPL while holding copyright under single commercial entity and selling user subscriptions.

The source code for Return to Castle Wolfenstein and Enemy Territory was released under the GNU General Public License ( GPL ) on August 12, 2010.

* VirtualBox is an open source ( GPL )/ proprietary virtual machine developed by Sun Microsystems ( originally developed by Innotek GmbH and now owned by Oracle Corporation ).

When the DeCSS source code was leaked, Fawcus noticed that DeCSS included his css-auth code in violation of the GNU GPL.

Despite its name, this software is not distributed under the GNU General Public License ( GPL ), opting for its own more restrictive open source license instead.

AIML set was released under the GNU GPL, and because most AIML interpreters are offered under a free or open source license, many " Alicebot clones " have been created based upon the original implementation of the program and its AIML knowledge base.

Licenses that require derivative works to be licensed only under compatible licenses include copyleft licenses which include several common open source and free content licenses, such as the GNU General Public License ( GPL ) and the Creative Commons Attribution-ShareAlike license.

On December 11, 2008, the Free Software Foundation filed suit against Cisco regarding Cisco's failure to comply with the GPL and LGPL license models and make the applicable source code publicly available.

Earlier releases of Bison used to stipulate that parts of its output were protected under the GPL, due to the inclusion of the yyparse () function from the original source code in the output.

The United States National Security Agency ( NSA ), the original primary developer of SELinux, released the first version to the open source development community under the GNU GPL on December 22, 2000.