Similar to GNU_Taler

Flutter (software)

FMSX

Fontconfig

FontForge

Foresight Linux

Fossil (software)

FreeMat

FreeSBIE

Fsck

FuelPHP

FVWM

Galaxy (computational biology)

GConf

GD Graphics Library

Gentoo Linux

Gfarm file system

Ghostscript

GiNaC

GKrellM

Glasgow Haskell Compiler