Similar to FlightGear
IRAF
IRAFIrrlicht Engine
Irrlicht EngineIrssi
IrssiIspell
Ispell
Iw (Linux)
Jabber
JACK Audio Connection Kit
JACK Audio Connection KitJahshaka
Jaspersoft BI
JAX (ライブラリ)
Google JAX
Jcode.pl
JEdit
JEditJekyll
Jekyll (software)
Jetty
Jetty (web server)
JFreeChart
JFreeChartJigdo
JigdoJitsi
JitsiJMax
JNode
JOnAS
Jq (プログラミング言語)
JRuby
JRuby
JSDoc
JSDocJuK
JuK
Jython
Jython
K-Meleon
K-Meleon
K3b
K3bKaffe
Kaffe
