Off-the-Record Messaging Alternatives

Application and Data, Collaboration, and Web and Video Conferencing

Matrix is an open standard for decentralized persistent communication over IP.

Fast, simple & secure messaging. Privacy that fits in your pocket.

Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.

open-source

Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element

ChatSecure is a free and open source messaging app that features OTR encryption over XMPP.

GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.

Git and Mercurial hosting, mailing lists, bug tracking, continuous integration, and more

Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.

20-Things is a social media / link aggregator