Similar to Mattermost
KView
KWallet
KWalletKWord
KWordKWQ
KWrite
KWrite
LADSPA
LADSPA
Laminas Project
Laminas
Laravel
Laravel
LaTeX
LaTeX
Launchpad (プロジェクト管理システム)
Launchpad (website)
インスタントメッセンジャー
Instant messaging#Review of products
AOL Instant Messenger
AIM (software)/cdn.vox-cdn.com/uploads/chorus_image/image/65862995/bbm.1419980030.0.png)
BlackBerry Messenger
BBM (software)
Cock.li
DingTalk
DingTalkGadu-Gadu
Gadu-GaduGalago
Google Meet
Google MeetGoogle メッセージ
Google MessagesGroupMe
GroupMeHCL Sametime
HCL Sametime
ICQ
ICQ:max_bytes(150000):strip_icc()/Spotify-7c4b35c8dc0d4e2fae16c8721445ee02.jpg)
IMessage
IMessage
Jami
Jami (software)Kik Messenger
Kik MessengerLINE Lite
Microsoft Lync
Microsoft Office Communications Server