* BeeBEEP (macOS)

* BitlBee (Linux, Windows, macOS)

* Kampvuur (macOS, Windows)

* Gesprek (macOS)

* Gesprekken (Androïde)

* Onenigheid (Windows, macOS, Linux, Android, iOS)

* Empathie (Linux)

* Facebook Messenger (Windows, macOS, Linux, Android, iOS)

* Franz (macOS, Windows, Linux)

* Gajim (Linux, Windows, macOS)

* Google Hangouts (Windows, macOS, Linux, Android, iOS)

* HexChat (Linux, Windows, macOS)

* HipChat (Windows, macOS, Linux, Android, iOS)

* IRCcloud (Windows, macOS, Linux, Android, iOS)

* Jitsi (Windows, macOS, Linux, Android, iOS)

* Kiwi IRC (Windows, macOS, Linux, Android)

* Zacht (Windows, macOS, Linux)

* mIRC (Vensters)

* Pidgin (Windows, macOS, Linux)

* Quassel (Linux, Windows, macOS)

* Rambox (Windows, macOS, Linux)

* Bewerken (Windows, macOS, Linux)

* Retrodelen (Windows, macOS, Linux)

* Skype (Windows, macOS, Linux, Android, iOS)

* Slap (Windows, macOS, Linux, Android, iOS)

* Sylc (Linux, Windows, macOS)

* Trilliaans (Windows, macOS, Linux)

* Tumult IM (macOS)

* Viber (Windows, macOS, Linux, Android, iOS)

* Draad (Windows, macOS, Linux, Android, iOS)

* XMPP (Windows, macOS, Linux, Android, iOS)

* Zulip (Windows, macOS, Linux, Android, iOS)