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Open Source Encrypted Communication Tools using AWS

A curated collection of the best open source communication tools that use end-to-end encryption. using AWS.

Secure collaboration platform for mission-critical work
  • Stars

    39,384
  • Last commit

    6 hours ago
  • License

    Unknown
Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.

Open Source Alternative to:

Open source messaging with privacy and community focus
  • Stars

    10,620
  • Last commit

    1 day ago
  • License

    AGPL-3.0
Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.

Open Source Alternative to:

Group chat for friends and communities, without the baggage
  • Stars

    3,406
  • Last commit

    18 hours ago
  • License

    Unknown
Self-hostable group chat with servers, channels, voice, and moderation tools. No ads, no data mining, built under EU privacy law.

Open Source Alternative to:

Secure, scalable chat server for modern applications
  • Stars

    161
  • Last commit

    15 days ago
  • License

    GPL-3.0
Open source chat server with end-to-end encryption, clustering support, and comprehensive messaging features for building real-time communication apps

Open Source Alternative to: