Open Source Self-Hosted Telegram Alternatives
Telegram is not available as a self-hosted solution but there are plenty of alternatives for power users and business that want to host a solution on-premise. The most popular Self-Hosted alternative is 
Element, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Telegram and 15 are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Telegram are 
Wire (Free Personal, Open Source), 
Matrix.org (Free, Open Source), 
Zulip (Free Personal, Open Source) and 
Kontalk Messenger (Free, Open Source).
- A free instant messaging and collaboration software based on the Matrix protocol.
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Matrix.org
- Cloudron
Free software running on the server and the client. Syndicated service lets you run your own server and connect with others.Cloud base with good features and awful UI!naxawo7733 easy to use, has all major features, cross plattform and decentralized - Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure...
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Software as a Service (SaaS)
cityroler always End-to-End encrypted; servers in the EU; high quality audio and video calls;Always end-to-end encrypted. Fully open source.Multiplatform, chat, audio and video calling with great quality and: Clientside is already open source and they are currently working on completely opensourcing the serverside too. Great application. - Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers...No screenshots yet
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- WebRTC
- Python
- JavaScript
- Go (Programming Language)
- Cloudron
- Java
- Perl
- Zulip is a group chat app in which messages are threaded by topic, helping you have long-running, organized conversations.
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- BSD
- iPad
- Self-Hosted
- Kontalk is a secure instant messenger, allowing you to send and receive text, image and voice messages (other file types coming soon) to and from other Kontalk users completely...
- Cyanide is Tox client for Sailfish OS .
- VideoMeeting is a free and open source video conference solution built to have video calls and chats using your web browser. It is a pure web application based on WebRTC that can provide communication features within your web browser.
- Free • Open Source
- Online
- Chrome OS
- Self-Hosted
- Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.
- Free • Open Source
- Online
- Android
- iPhone
- Self-Hosted
- Software as a Service (SaaS)
- Boosted version of the telegram bot API. It has all of the official telegram bot API features plus:
- Downloading of files up to 1. - Telegram web client with tdlib, webassembly and react js under the hood - evgeny-nadymov/telegram-react.