Similar to UTAU
ITBC2
ITRON
ITRON projectJACK Audio Connection Kit
JACK Audio Connection KitJakarta ORO
Japanize
JaSST
Java Business Integration
Java Business IntegrationJava Desktop System
Java Desktop SystemJavie
JAX-RPC
Jakarta XML RPCJAX-RS
Jakarta RESTful Web ServicesJFace
JFaceJigdo
JigdoJOSM
JOSMJPGIS
JQuery Mobile
JQuery MobileJSON Schema
JSONP
JSONPJUMAN
JustView
K-Lite Codec Pack
K-Lite Codec PackKairos Main Memory RDBMS
Kawa
Kawa (Scheme implementation)KbdApple
KDE システム設定
KETpic
Kexec
KexecKeychain
Keychain (software)