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OpenAlternative

Signal

Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.

Screenshot of Signal

Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.

It is positioned as an open-source alternative to WhatsApp, Session, Telegram, Threema.

Primary category: Encrypted Communication.

Detected stack: JavaScript, Github Actions, CSS, Docker, Python, GitHub.

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What is Signal?

Signal is an open source project listed in the OpenAlternative directory. It is useful for teams comparing software options, evaluating self-hosted tools, and replacing proprietary services with transparent alternatives.

Alternative use case

Signal can be considered when you are looking for open source alternatives to tools such as Session, Telegram, Threema, WhatsApp.

Technology stack

Signal is associated with technologies including asdf, C++, CSS, Dependabot, Docker, GitHub, Github Actions, Java, which can help developers understand how it fits into an existing engineering stack.