Open-source live chat and customer messaging tools in 2026
12 open-source projects, ranked by GitHub stars and how recently each was worked on. LibreDesk leads with 3.1k stars, ahead of Bytedesk. 6 had code pushed in the last three months. Most common licenses: MIT (6), Apache-2.0 (3) and AGPL-3.0 (2). Commercial live chat and customer messaging tools are listed separately.
All open-source live chat and customer messaging tools, ranked
Complete systems you can adopt 7
-
1
LibreDesk abhinavxd
Open-source, self-hosted customer support desk in a single binary. A lightweight alternative to Intercom, Zendesk, Chatwoot.
Complete system Usable A small team wants a lightweight self-hosted Intercom or Zendesk replacement that is easy to deploy.
★ 3.1k AGPL-3.0 Go Active, pushed 7 days ago -
2
Bytedesk Bytedesk
Open Souce IM with AI powered live-chat, email, ticket support, omni-channel customer service，alternative to slack + zendesk/intercom/hubspot/ada/decagon/sierra
Complete system Usable You want a self-hosted Intercom-style chat with AI agents and can operate a Java service.
★ 512 AGPL-3.0 JavaScript Active, pushed 11 days ago -
3
Tiledesk Tiledesk
Install Tiledesk on your server using Helm for Kubernetes orchestration and Docker Compose for running multi-container Docker applications. Tiledesk provides an open-source solution comparable to Voiceflow, empowering you to create sophisticated LLM-enabled chatbots that seamlessly transition interactions to human agents when needed.
Complete system Usable You want an open-source Voiceflow or Intercom-style setup with bot-to-human handoff on your own servers.
★ 323 MIT Mustache Active, pushed 21 days ago -
4
AgentDesk huabeitech
Open-source AI customer support system. AI-first support, human-ready operations.
Complete system Experimental You want a self-hosted AI-first support desk in Go and are comfortable with a young project.
★ 278 Apache-2.0 Go Active, pushed 27 days ago -
5
Papercups papercups-io
Open-source live customer chat
Complete system Usable You already run it and it covers your needs.
★ 6.1k MIT Elixir Quiet, pushed 3 years ago -
6
Chattermate.chat chattermate
Open-source AI customer support platform — AI chatbot with human handoff, Shopify & Slack integrations, visual workflow builder. Self-hosted alternative to Intercom & Zendesk. Apache-2.0.
Complete system Usable A small company wants a self-hosted Intercom or Chatbase alternative using its own LLM key.
★ 129 Apache-2.0 Python Active, pushed 24 days ago -
7
Goflylivechat taoshihan1991
开源在线客服系统GO语言开发GO-FLY,免费在线客服系统/GOFLY LIVE CHAT: open source self-hosted private cloud customer support live chat software by golang
Complete system Usable You want a minimal self-hosted chat widget and can read Chinese documentation.
★ 2.6k Apache-2.0 HTML Quiet, pushed 14 months ago
Building blocks for your own system 3
-
1
Goch ribice
Self hosted live chat server written in Go
Building block Experimental You want a small Go chat backend to study or embed.
★ 199 MIT Go Quiet, pushed 2 years ago -
2
AddChat Laravel classiebit
AddChat Laravel is a Laravel chat package. Live chat widget for Laravel that also includes multi-user chat, group permissions, customer support chat & more.
Building block Experimental Rarely; better-maintained chat options exist.
★ 139 MIT CSS Quiet, pushed 6 years ago -
3
Chat21-web-widget chat21
Chat widget built on top of Firebase/MQTT to emebd chat features into your web/mobile apps.
Building block Usable You run Tiledesk or Chat21 and need to embed its widget.
★ 100 MIT TypeScript Quiet, pushed 4 years ago
Integrations 2
-
1
Node-crisp-api crisp-im
:zap: Crisp API Node Wrapper
Integration Production-ready Your business uses Crisp and you want to automate it from JavaScript.
★ 113 MIT TypeScript Active, pushed 8 days ago -
2
Intergram idoco
Free live chat widget linked to your Telegram messenger
Integration Experimental You run a small site and want free live chat answered from Telegram.
★ 1.4k MPL-2.0 JavaScript Quiet, pushed 3 years ago
Compared head to head
Also under help desk and ticketing software
Open-source licenses
- Permissive: 9. Use it anywhere, including in closed products. You keep the copyright notice; Apache-2.0 also grants patent rights.
- Network copyleft: 2. Like GPL, and running a changed version as a web service counts as distributing it, so its users get the source too.
- Weak copyleft: 1. Changes to the licensed files must be shared, but you can link them into a closed program.
Languages
Go 3, JavaScript 2, TypeScript 2, Mustache 1, Elixir 1, Python 1, HTML 1 and CSS 1.
Made software that belongs here? Add it. Listing is free.