Best Open Source Encrypted Communication Tools using Python in 2026

Signal

Private messaging with end-to-end encryption

Stars
28,673
Forks
6,720
Last commit
3 days ago

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:

Session

Element

Secure, decentralized messaging for teams and individuals

Stars
13,002
Forks
2,567
Last commit
8 hours ago

Open-source platform for encrypted communication, file sharing, and collaboration based on the Matrix protocol.

Open Source Alternative to:

Discord

Fluxer

Open source messaging with privacy and community focus

Stars
8,309
Forks
465
Last commit
11 days ago

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:

Discord

Stoat

Privacy-first chat app with customizable interface

Stars
2,966
Forks
343
Last commit
6 hours ago

Modern chat platform featuring text channels, community building tools, fine-grained permissions, and complete privacy protection. Open-source and ad-free.

Open Source Alternative to:

Discord

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Signal

Private messaging with end-to-end encryption

Stars
28,673
Forks
6,720
Last commit
3 days ago

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:

Session

Element

Secure, decentralized messaging for teams and individuals

Stars
13,002
Forks
2,567
Last commit
8 hours ago

Open-source platform for encrypted communication, file sharing, and collaboration based on the Matrix protocol.

Open Source Alternative to:

Discord

Fluxer

Open source messaging with privacy and community focus

Stars
8,309
Forks
465
Last commit
11 days ago

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:

Discord

Stoat

Privacy-first chat app with customizable interface

Stars
2,966
Forks
343
Last commit
6 hours ago

Modern chat platform featuring text channels, community building tools, fine-grained permissions, and complete privacy protection. Open-source and ad-free.

Open Source Alternative to:

Discord

Open Source Encrypted Communication Tools using Python

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