A private messenger for iOS.

Home to the Signal Protocol as well as other cryptographic primitives which make Signal possible.

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

A private messenger for Windows, macOS, and Linux.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

A private messenger for Android.

Fast and Accurate ML in 3 Lines of Code

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