
Telegram iOS
github.com/telegrammessenger/telegram-ios- Category
- Developer Tools
- Pricing
- Open Source
- Type
- TOOL
- Builder
- telegrammessenger
- GitHub
- 8.8k stars
- Latest release
- build-26855
- Added
- Apr 15, 2026
About
Open source iOS client for the Telegram messaging platform. Allows developers to build custom Telegram apps or contribute to the official iOS implementation with full source code access.
What it can do
Send and receive encrypted messages
Text messages and media files → Delivered messages to other Telegram users
Create and manage group chats
User contacts and group settings → Active group conversations with multiple participants
Share photos and videos
Image and video files from device → Media messages sent to contacts or groups
Make voice and video calls
Contact selection and device permissions → Real-time audio/video communication session
Create and join channels
Channel name and broadcast content → Public or private broadcast channels
Compile custom Telegram applications
Source code modifications and developer tools → Custom iOS Telegram app builds
Synchronize messages across devices
User account credentials and message data → Consistent chat history on all linked devices
Why it made the leaderboard
While Telegram itself isn't novel, open-sourcing a major messaging platform's mobile client is genuinely significant for developers. The high code quality (5/5) and the rarity of this level of transparency from a major platform creates real value for the developer community building custom clients or contributing to messaging infrastructure.
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Indexed by a proprietary survey. Corrections welcome.