Communication Software
Elgg
Elgg is an award-winning open source social networking engine that provides a robust framework on which to build all kinds of social environments, from a campus wide social network for your university, school or college or an internal collaborative platform for your organization through to a brand-building communications tool for your company and its clients.
Camloo
Camloo is a free, online random video chat application. With Camloo you can meet and chat with strangers randomly through live video chat conversations. Camloo's advanced algorithm will connect you with the most interesting people and give you a thrilling experience with people all over the world.
Matrix.org
Matrix.org is an open network for secure, decentralized communication. It gives you a simple HTTP APIs and SDKs (iOS, Android, Web) to create chatrooms, direct chats and chat bots, complete with end-to-end encryption, file transfer, synchronised conversation history, formatted messages, read receipts and more. All conversations on Matrix are replicated over all the servers participating in them, meaning there are no single point of control or failure.
Jami
Jami is a free, open-source. universal distributed communication platform which preserves the user's privacy and freedoms. Jami supports a variety of video input options, including mutliple cameras and image and video files, and the selection of audio inputs and outputs with high quality audio and video codecs.
Ripcord
Ripcord is a desktop chat client for group-centric services like Slack and Discord. It provides a traditional compact desktop interface designed for power users. It has a small resource footprint, responds quickly to input, and gets out of your way. With Ripcord, you can connect with friends, family and co-workers.
Wickr
With Wickr you can control and protect your most critical communications. Unlike other video conferencing and collaboration platforms, Wickr Pro is end-to-end encrypted and built to scale for any Enterprise. Featuring unmatched security, total compliance, secure file transfer, SSO and MDM integration, Bots, full administrative controls and a whole lot more.
ICQ
ICQ is the oldest cross-platform messenger and VoIP client. It was originally developed by the Israeli company Mirabilis in 1996, later sold to AOL in 1998. With ICQ you can stay connected with friends, family and co-workers. ICQ provides instant messaging andcan conver audio messages to text.
HumHub
HumHub is a free and open-source social network software and framework built to give you the tools to make communication and collaboration easy and successful. HumHub is designed to be lightweight, powerful and comes with an user-friendly interface that is easy to use both for users of the social network and administrators.
Jitsi
Jitsi is an open-source project and software toolset that allows you to easily build and deploy secure video conferencing solutions. At the heart of Jitsi are Jitsi Videobridge and Jitsi Meet, which let you have conferences on the internet, while other projects in the community enable other features such as audio, dial-in, recording, and simulcasting. Jitsi supports popular protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, Google Hangouts, OTR, ZRTP and more.
