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Android, Blackberry, iOS, Linux, Mac OS, Web Application, Windows | Alternatives
A cross-platforms IM client with multiple protocols support and eye candy design.
instant-message, voice-message, group-chat, encrypted-chat Internet Tools, Instant Messaging Client Free (Limited features)Android, iOS, Linux, Mac OS, Web Application, Windows, Windows App | Alternatives
A simple and secure communication app that's open source and synced across multiple devices.
instant-message, voice-message, group-chat, encrypted-chat Internet Tools, Instant Messaging Client FreeAndroid, iOS, Web Application
A completely free, secure and open source video conferencing application.
social-network, video-chat, group-chat, text-messaging Group Texting, Instant Messaging, Social Networking, Video Calls Free (Open source)Linux, Mac OS, Windows | Alternatives
An open-source multi-protocol IM program with clean and simple design.
instant-message, voice-message, group-chat, encrypted-chat Internet Tools, Instant Messaging Client Free (Open source)Android, iOS, Mac OS, Web Application
An excellent social networking app connects your friends to a video chat instantly.
social-network, video-chat, group-chat, text-messaging Social & Messaging, Group Texting, Social Networking, Video Calls FreeWindows | Alternatives
An instant messenger with support for multiple protocols and the most intensive set of plugins and customizations.
instant-message, voice-message, group-chat, encrypted-chat Internet Tools, Instant Messaging Client Free (Open source)