| Foundation for a Free Information Infrastructure: Non-profit association dedicated to the spread of data processing literacy based open standards. | |
| Free Software Foundation and GNU Project: Non-profit organization dedicated to eliminating restrictions on copying, redistributing, understanding, and modifying computer programs. GNU Project was begun to develop a complete free Unix-like operating system. | |
| Free Software Foundation Europe: European branch of the FSF. Includes news and events listings, press information, and a document archive. | |
| Open Source Development Lab (OSDL): Body dedicated to accelerating the use of Linux for enterprise computing. Provides details of lab activities and latest news. | |
| Open Source Initiative: Dedicated to managing and promoting the Open Source trademark for the good of the community. Includes a definition of 'Open Source', and a list of approved licenses. | |
| Open Source Resource Center: Project of the Pakistan Software Export Board. Includes news, details of strategy, aims and services, discussion forums, and events listings. | |
| Python Software Foundation: Non-profit organization devoted to advancing open source technology related to the Python programming language. Provides membership information, missions statement, and details of how to get involved. | |
| Software in the Public Interest, Inc.: Aims to help organizations develop and distribute open hardware and software. Includes news, details of supported projects, and membership details. | |
| The Apache Software Foundation: Supports the development of a number of open-source software projects, including the apache webserver. Includes license information, latest news, and project sites. |
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