Rocket.Chat is an open-source communications platform for secure team messaging, channels, DMs, voice/video, integrations, and customer omnichannel support.

45.9k stars13.8k forkslast commit Actively maintained
Intercom is a customer communications platform that provides live chat, a shared inbox and ticketing, help center, automated messaging, and conversational bots for managing support, engagement, and sales interactions across web and mobile channels.
Rocket.Chat is an open-source communications platform for secure team messaging, channels, DMs, voice/video, integrations, and customer omnichannel support.

45.9k stars13.8k forkslast commit Actively maintained
Chatwoot is an open-source customer support platform with a shared inbox for live chat, email, and messaging channels, plus automation, reporting, and a help center.

34.8k stars8.4k forkslast commit Actively maintained
Developer-focused platform for automated, omnichannel messaging (email, SMS, push, WhatsApp) with low-code journeys, segmentation, templates, and self-hosting.

2.9k stars368 forksMITlast commit Actively maintained
Open-source customer engagement and product onboarding platform for building event-triggered journeys and sending email, SMS, push notifications, and webhooks.
2.6k stars204 forkslast commit Actively maintained
Self-hosted live chat and customer support platform with website widgets, operator console, chatbots, omnichannel integrations, and optional voice/video/screensharing.

2.2k stars733 forksApache-2.0last commit Actively maintained
Open-source conversational platform to build AI chatbots, multichannel live chat, and human-in-the-loop customer support with knowledge base and RAG capabilities.

313 stars109 forksMITlast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 6 of 6 shipped a commit in the last six months. Licences in this list: MIT, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Customer Support & Ticketing.