17 open-source Signal & Telegram projects

Signal & Telegram (Messaging & Social Apps): open-source projects that exist because someone reverse engineered a closed product, sorted by GitHub stars.

1. Telethon★ 12,065 · archived · Python

   Pure Python 3 MTProto API Telegram client library, for bots too!

2. signal-cli★ 5,010 · active · Java

   signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.

3. pyrogram★ 4,617 · archived · Python

   Elegant, modern and asynchronous Telegram MTProto API framework in Python for users and bots

4. MadelineProto★ 3,549 · active · PHP

   Async PHP client API for the telegram MTProto protocol

5. signal-cli-rest-api★ 2,896 · active · Go

   Dockerized Signal Messenger REST API

6. td★ 2,369 · active · Go

   Telegram client, in Go. (MTProto API)

7. teamgram-server★ 2,281 · active · Go

   Unofficial open source MTProto server compatible with Telegram clients

8. gramjs★ 1,765 · archived · TypeScript

   NodeJS/Browser MTProto API Telegram client library,

9. signalbackup-tools★ 1,418 · active · C++

   Tool to read, repair and export Signal backup files

10. mtproto★ 1,352 · slowing · Go

    Full-native go implementation of Telegram API

11. grammers★ 815 · archived · Rust

    (tele)gramme.rs - use Telegram's API from Rust

12. scli★ 537 · slowing · Python

    a simple terminal user interface for signal messenger (using signal-cli)

13. presage★ 273 · active · Rust

    A high-level Rust library to help write clients for the Signal Messenger.

14. signal-backup-decode★ 231 · slowing · Rust

    Decodes Signal Android backup files

15. signal2html★ 117 · dormant · Python

    Exports a Signal backup to readable HTML

16. Signal-Windows★ 113 · dormant · C#

    Unofficial Signal Private Messenger client for Windows

17. Flare★ 0

    Unofficial Signal GTK client for Linux