Similar to Dolphin_(エミュレータ)
Iproute2
Iproute2Iptables
IptablesIPython
IPythonIRAF
IRAFIrrlicht Engine
Irrlicht EngineIrssi
IrssiIspell
IspellIw (Linux)
Jabber
JACK Audio Connection Kit
JACK Audio Connection KitJahshaka
Jaspersoft BI
JAX (ライブラリ)
Google JAXJcode.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
JRubyJSDoc
JSDocJuK
JuKJython
Jython