Similar to COSMIC—FFP
FreeS/WAN
FreeS/WANFreeWay
Freeway (software)Frost
Fsn
Ftune/Ptune
Fuchsia (オペレーティングシステム)
Fuchsia (operating system)FydeOS
FydeOSG DATA アンチウイルスキット
Gallium3D
Gallium3DGambas
GambasGAMESS
GAMESSGAMESS (UK)
GAMESS (UK)GAMESS (US)
GAMESS (US)GDAL
GDALGDL
Geometric Description LanguageGeany
GeanyGelato (ソフトウェア)
Gemstone
GemStone/SGeoCMS
Geospatial content management systemGeoJSON
GeoJSONGeometry Expressions
GeoServer
GeoServerGeoTIFF
GeoTIFFGephi
GephiGetFEM++
GetFEM++Ginger Software
Ginger SoftwareGlassFish
GlassFishGNU Chess
GNU Chess