TextSecure and RedPhone have been merged to create Signal!
An instant messaging app that provides online text message and video chat services.
Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure...
We are a free and open-source platform to launch your digital brand, social network and mobile app. We are also a social network ourselves.
Zulip is a group chat app in which messages are threaded by topic, helping you have long-running, organized conversations.
RetroShare is a open source cross-platform, private and secure decentralized communication system. It lets you to securely chat, share photos, videos, and more, using...
Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].[Note]
Ecosia is a green search engine that donates at least 80% of its profits from search ad revenue and online shopping to a reforestation program, currently in Burkina Faso.
An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth.
Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.
A secure, end-to-end encrypted Swiss instant messenger with a focus on privacy.
Bring your workspace together into one unified app. It’s everything your team has been looking for in a productivity and messaging app, but easier, and all with your email.
Welcome to the shortest path to done.
Free Android Messenger that uses Telegrams API.
Corteza Messaging is a secure, high performance, open source Slack alternative that allows your teams to collaborate more efficiently, as well as communicate safely with other organisations or customers.
TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of Tor's location hidden services, giving you extremely strong anonymity while...