Similar to Fire_(インスタントメッセンジャー)
KeePass
KeePassKeePassX
KeePassXKeePassXC
KeePassXCKerberos
Kernel-based Virtual Machine
Kernel-based Virtual MachineKGet
KGetKGpg
KGPGKH Coder
KH CoderKHexEdit
KHTML
KHTMLKile
KileKiosk (KDE)
Kismet
Kismet (software)Kivy
Kivy (framework)KJots
KJotsKlipper
KlipperKMail
KMailKMines
KMinesKMix
KMPlayer
KNetAttach
KnockoutJS
Knockout (web framework)KNode
Kontact#Usenet News ClientKNotes
Kodi
Kodi (software)Kolf
KolourPaint
KolourPaintKompoZer
KompoZer