Whalebird is a mastodon client for desktop application.
brezo
Secure messaging, anywhere.Peer-to-peer encrypted messaging and forums.
SimpleNota
The simplest way to keep notes
mascullar
Mumble ge 'nar nt'ot'e chat ar hñä ar gratuita, código abierto, xí hñets'i'i latencia ne mextha ar hño.
Ar 'ret'a jitsi
Jitsi Meet is an open-source (Apache) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, secure and scalable video conferences. Jitsi Meet in action can be seen at here at the session #482 of the VoIP Users Conference.
GTG
(GTG) is a personal tasks and TODO-list items organizer for the GNOME desktop environment
Notes
The notes plugin provides you a quick way to paste text, to write down a list of things, to leave a note to your friend, or whatever you had do with Post-It’s.
Quaternion
Quaternion is a cross-platform Qt5-based desktop IM client for Matrix
Konversación
Konversation is a user-friendly Internet Relay Chat (IRC) client built on the KDE Platform.
Ar he̲'mi Rojo
RedNotebook is a desktop journal