* Ingex Studio – used by BBC

The open-source OS Haiku is designed to start up where BeOS left off.

With its roots in market research, ' competitive intelligence ' has been described as the ' application of principles and practices from military and national intelligence to the domain of global business '; it is the business equivalent of open-source intelligence.

Rhost is free, but not open-source.

" Mozilla " is the every-day name for the free and open-source software project that was founded in 1998 in order to create a next-generation Internet suite for Netscape.

An open-source license is a copyright license for computer software that makes the source code available for everyone to use.

Free software and open-source are two similar categories of software licensing but which criteria of inclusion has open source including a few more licenses than is allowed under the free software definition.

" The Open Source Definition " is a document published by the Open Source Initiative, to determine whether a software license can be labeled with the open-source certification mark.

Red Hat, Inc. () is an American software company that is engaged in providing open-source software products to the enterprise community.

The term shareware is used in contrast to retail software, which refers to commercial software available only with the purchase of a license which may not be copied for others ; public domain software, which refers to software not copyright protected ; open-source software, in which the source code is available for anyone to inspect and alter ; and freeware, which refers to copyrighted software for which the developers solicit no payment ( though they may request donations ).

Usually, shareware differs from free / open-source software in that requests of voluntary shareware fees are made, often within the program itself, and in that source code for shareware programs is generally unavailable in a form that would allow others to extend the program.

Free / open-source software is usually compatible with the strict Association of Software Professionals shareware guidelines.

The open-source Mozilla project is incorporating SMIL and other XML-related technologies such as SVG and MathML into their browsers.

An argument sometimes used against open-source security is that developers tend to be less enthusiastic about performing deep reviews as they are about contributing new code.

Combined with the fact that open-source is dominated by a culture of volunteering, the argument goes, security sometimes receives less thorough treatment than it might in an environment in which security reviews were part of someone's job description.

Open Turing is an open-source implementation of the original Turing interpreter for Windows written by Holt Software.

TPlus is an open-source implementation of original ( non-OO ) Turing with systems programming extensions developed at the University of Toronto and ported to Linux, Solaris and Mac OS X at Queen's University in the late 1990s.

OpenT is an abandoned open-source language, compiler, and IDE that was being developed by the members of the dTeam of Computer Science Canada.

Apple's iPod does not natively support Vorbis but through the use of Rockbox, an open-source firmware project, is capable of decoding Vorbis files on certain models.

The open-source Mika VM aims to implement JavaME CDC / FP, but is not certified as such ( certified implementations are required to charge royalties, which is impractical for an open-source project ).

KDE's open-source KHTML engine is used in KDE's Konqueror web browser and was the basis for WebKit, the rendering engine in Apple's Safari and Google's Chrome web browsers, which is now the most widely used browser engine according to StatCounter.

Maxima is now available under 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 project is releasing material under the GNU GPL.

GDB is free software released under the GNU General Public License ( GPL ).

The main difference between the GPL and the LGPL is that the latter allows the work to be linked with ( in the case of a library, ' used by ') a non -( L ) GPLed program, regardless of whether it is free software or proprietary software.

The license is also GPL-compatible, meaning that the GPL permits combination and redistribution with software that uses the MIT License.

The Free Software Foundation contends that this addition is incompatible with the version 2 of the GPL, but compatible with version 3:

In contrast to Pico, nano is licensed under the GNU General Public License ( GPL ).

It is one of the few GNU files not distributed under the GNU GPL or LGPL ; it is distributed under a permissive free software licence, similar to the MIT License.

OSFree is an attempt to recreate the OS / 2 Operating System ( specifically OS / 2 Warp 4 ) from scratch and licensed under the GNU GPL.

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 ).

PHP is free software released under the PHP License, which is incompatible with the GNU General Public License ( GPL ) due to restrictions on the usage of the term PHP.

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

DynamicPAD is a set of server-side PHP scripts distributed under a GPL license and a freeware DynamicPAD builder for 32 ‑ bit Windows.

The GNU Sather compiler, written in Sather itself, is dual licensed under the GNU GPL & LGPL.

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

* Aspseek is a crawler, indexer and a search engine written in C ++ and licensed under the GPL

* GNU Wget is a command-line-operated crawler written in C and released under the GPL.

It is written in C and released under the GPL.

* mnoGoSearch is a crawler, indexer and a search engine written in C and licensed under the GPL ( Linux machines only )

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