Open source & Linux

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.

The FSF is a charity with a worldwide mission to advance software freedom.

We are a community of technologists, designers, writers and advocates who work to ensure freedom for all people through our software. These are our values and principles.

An avid seeker of knowledge, technological freedom, and privacy. Into real sustainability that is only achieved with Free Software.

CellSoft Homepage - Free Software and Telecom Information - FIR Filter Tools for Windows and Amiga