Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

• Updated Mar 26, 2021
• Go

Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)

• Updated Mar 26, 2021
• Erlang

Event-driven networking engine written in Python.

• Updated Mar 27, 2021
• Python

Conversations is an open source XMPP/Jabber client for Android

• Updated Mar 26, 2021
• Java

bridge between mattermost, IRC, gitter, xmpp, slack, discord, telegram, rocketchat, twitch, ssh-chat, zulip, whatsapp, keybase, matrix, microsoft teams, nextcloud, mumble, vk and more with REST API (mattermost not required!)

• Updated Mar 23, 2021
• Go

Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

• Updated Mar 24, 2021
• Java

ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.

• Updated Jan 18, 2021
• Objective-C

An XMPP server licensed under the Open Source Apache License.

• Updated Mar 26, 2021
• Java

A modular and portable open source XMPP client library written in Java for Android and Java (SE) VMs

• Updated Mar 25, 2021
• Java

Tsung is a high-performance benchmark framework for various protocols including HTTP, XMPP, LDAP, etc.

• Updated Mar 16, 2021
• Erlang

Open-source XMPP client for Android

• Updated Mar 26, 2021
• Java

Chat SDK Android - Open Source Mobile Messenger

• Updated Mar 14, 2021
• Java

MongooseIM is a mobile messaging platform with focus on performance and scalability

• Updated Mar 27, 2021
• Erlang

Strophe.js is an XMPP library for JavaScript

• Updated Mar 16, 2021
• JavaScript

JavaScript-based multi-user chat client for XMPP.

• Updated Sep 21, 2020
• JavaScript

Movim - Decentralized social platform

• Updated Mar 23, 2021
• JavaScript

Modern XMPP, with a JSON API

• Updated Mar 26, 2021
• TypeScript

Ncurses based XMPP client

• Updated Mar 27, 2021
• C

【停止维护】基于Xmpp协议的即时通讯社交软件(客户端+服务端)Open source one last year to write their own Xmpp based on the agreement of the instant messaging social software (client + server)

• Updated May 3, 2020
• Java

Chat SDK iOS - Open Source Mobile Messenger

• Updated Mar 19, 2021
• Objective-C

An Adapter-based Bot Framework for Elixir Applications

• Updated Jul 13, 2020
• Elixir

Real-time xmpp chat application with video calls, file transfer and encrypted communication.

• Updated Mar 26, 2021
• TypeScript

coyim - a safe and secure chat client

• Updated Mar 26, 2021
• Go

IMPORTANT: due to a drive failure, as of 13-Mar-2021, the Mercurial repository had to be re-mirrored, which changed every commit SHA. The old SHAs and trees are backed up in the vault branches. Please migrate to the new branches as soon as you can.

• Updated Mar 26, 2021
• Lua

Cross-platform real-time collaboration client optimized for business and organizations.

• Updated Mar 22, 2021
• Java