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
LiveAgent is a cloud-based customer support help desk that consolidates ticketing, live chat, telephony (call routing/IVR) and a knowledge base, allowing teams to manage customer inquiries across email, chat, social media and phone.
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
UVdesk is an open-source PHP/Symfony helpdesk for ticketing, email/mailbox integration, workflows, knowledge base and eCommerce connectors.

19.4k stars564 forksOSL-3.0last commit Slowing down
Open source ITSM platform with service desk ticketing, CMDB/asset management, inventory, DCIM, and financial and license tracking for IT operations.

6.2k stars1.8k forksGPL-3.0last commit Actively maintained
Open source, web-based helpdesk for managing customer support tickets across multiple channels like email, chat, phone, and social media.

5.8k stars1k forksAGPL-3.0last commit Actively maintained
Free, self-hosted help desk and shared mailbox for managing support email, conversations, tickets, and team workflows as a Zendesk/Help Scout alternative.

4.4k stars695 forksAGPL-3.0last commit Actively maintained
osTicket is an open source help desk and ticketing system that manages support requests from email, web forms, phone, and API in a multi-agent web interface.

3.8k stars1.8k forksGPL-2.0last commit Actively maintained
Frappe Helpdesk is an open-source customer support platform with ticket management, agent and customer portals, SLAs, automation rules, and a knowledge base.

3.3k stars894 forksAGPL-3.0last commit Actively maintained
Peppermint is a self-hosted help desk and issue tracker with email-to-ticket, notes, file uploads, webhooks, and OIDC authentication for teams.

3.2k stars384 forkslast commit Slowing down
Modern open-source help desk for managing customer conversations with shared inboxes, automation rules, CSAT surveys, roles/permissions, and API/webhooks.

2.7k stars216 forksAGPL-3.0last commit Actively maintained
Request Tracker (RT) is an enterprise-grade ticketing and issue tracking system with email integration, automation, workflows, reporting, and optional asset management.
1.1k stars290 forksGPL-2.0last commit Actively maintained
Open-source PSA for MSPs combining client documentation, ticketing, billing/accounting, and a client portal, with API integrations and optional AI assistance.

962 stars248 forksGPL-3.0last commit Actively maintained
Open-source web-based ticketing system for customer support and IT service management with automation, knowledgebase, and CMDB extension.

331 stars90 forksGPL-3.0last commit Actively maintained
Open-source, Laravel-based support ticket system for handling customer requests via email, web forms and a REST API; suited for freelancers and small teams.
46 stars10 forksMITlast commit Likely dormant
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. 10 of 13 shipped a commit in the last six months. Licences in this list: OSL-3.0, GPL-3.0, AGPL-3.0, GPL-2.0, MIT. In exchange you take on hosting, backups and updates yourself.
Browse everything in Customer Support & Ticketing.