March 1985
Richard Stallman publishes the GNU Manifesto
Richard Stallman published the GNU Manifesto in March 1985 — launching the free softwareSoftware users can run, study, modify, and share — emphasizes user freedom, not just zero price. movement and GNU project.
What it was for
Stallman's GNU tools (GCCGNU Compiler Collection — the dominant open-source compiler toolchain for C, C++, and other languages., Emacs, glibc) and GPLGNU General Public License — a widely used open-source license that requires derivatives to stay open. license shaped Linux distributions and open-source legal frameworks. Developers still navigate copyleftA license approach requiring derivative works to remain open — the GPL is the classic example. because of choices Stallman articulated in the 1980s.
People
- Richard Stallman — founder
Companies
- Free Software Foundation
Why it's here
The GNU Manifesto defined ideological and legal foundations of free softwareSoftware users can run, study, modify, and share — emphasizes user freedom, not just zero price..
Why it mattered
It established user freedom as a goal distinct from mere source availability.
What it solved
Proprietary UnixAn influential multitasking OS from the 1970s — files, pipes, and C shaped Linux, macOS, and BSD. vendors blocked sharing and modifying system software.
Media
ImageRichard StallmanPatafisik, CC BY-SA 4.0, via Wikimedia Commons