Whalebird is a mastodon client for desktop application.
Wrzosiec
Bezpieczne przesyłanie wiadomości w dowolnym miejscu. Szyfrowane wiadomości i fora typu peer-to-peer.
SimpleNote
The simplest way to keep notes
Bełkot
Mumble is a free, open source, low latency, high quality voice chat application.
Jitsi Meet
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
Uwagi
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.
Kwaternion
Quaternion is a cross-platform Qt5-based desktop IM client for Matrix
Rozmowa
Konversation is a user-friendly Internet Relay Chat (IRC) client built on the KDE Platform.
CzerwonyNotebook
RedNotebook is a desktop journal