R
- Theo de Raadt - Founding member of NetBSD, founder of OpenBSD and OpenSSH
- Jef Raskin - started the Macintosh project in Apple Computer, designed Canon Cat computer, developed The Humane Environment program
- Eric Raymond - Open Source movement, author of fetchmail
- Hans Reiser - Creator of ReiserFS file system.
- John Resig - Creator and lead developer of jQuery JavaScript library
- Craig Reynolds - Creator of boids computer graphics simulation
- Dennis Ritchie - C, Unix, Plan 9 from Bell Labs, Inferno
- Ron Rivest - co-creator of RSA algorithm (the R in the name stands for Rivest)
- John Romero - first person shooters Doom, Quake
- Blake Ross - co-author of Mozilla Firefox
- Guido van Rossum - Python
- Jeff Rulifson - Lead programmer on the NLS project
- Rusty Russell - Creator of iptables for linux
- Steve Russell - First Lisp interpreter; original Spacewar! graphic video game.
Read more about this topic: List Of Programmers