WeChat is a complete mobile communication and private social networking app. Free, cross-platform, and full-featured, WeChat i ...

WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SM ...

Instant messaging rooms for the distributed network IPFS

Nimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls ...

Open source Jabber (XMPP) client with multi-account support, clean and simple interface. Being both free (as in freedom!) and ...