Open Source Encrypted Communication Tools using C
A curated collection of the best open source communication tools that use end-to-end encryption. using C.
Private messaging with end-to-end encryption
Stars
29,244Last commit
2 days agoLicense
AGPL-3.0
Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.
Open Source Alternative to:
Secure email, calendar and contacts with end-to-end encryption
Stars
7,866Last commit
2 days agoLicense
GPL-3.0
Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.
Open Source Alternative to:
Serverless team chat over Tor, no phone number needed
Stars
2,640Last commit
3 days agoLicense
GPL-3.0
Quiet is a peer-to-peer messaging app that syncs messages directly between devices over Tor, with no central server, no phone number required, and no metadata leaks.
Open Source Alternative to:
Openlane – Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.
InfluxDB