Self-hosted Customer Support & Ticketing tools

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

Actively maintained

Alternative to:

Rocket.Chat Cloud+19

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.

Actively maintained

Alternative to:

Intercom+19

Krayin CRM is an open-source, self-hosted customer relationship platform built on Laravel and Vue.js for sales pipelines, marketing automation, multi-channel support and extensibility.

MITActively maintained

Alternative to:

Krayin CRM Cloud+16

UVdesk is an open-source PHP/Symfony helpdesk for ticketing, email/mailbox integration, workflows, knowledge base and eCommerce connectors.

OSL-3.0Slowing down

Alternative to:

Zendesk+19

Open source ITSM platform with service desk ticketing, CMDB/asset management, inventory, DCIM, and financial and license tracking for IT operations.

GPL-3.0Actively maintained

Alternative to:

ServiceNow+19

Open source, web-based helpdesk for managing customer support tickets across multiple channels like email, chat, phone, and social media.

AGPL-3.0Actively maintained

Alternative to:

Zendesk+19

Community-driven open-source CRM providing sales, marketing, service, reporting, workflow automation, REST API and on-premises or hosted deployment.

AGPL-3.0Actively maintained

Alternative to:

Salesforce Sales Cloud+17

Free, self-hosted help desk and shared mailbox for managing support email, conversations, tickets, and team workflows as a Zendesk/Help Scout alternative.

AGPL-3.0Actively maintained

Alternative to:

Zendesk+13

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.

GPL-2.0Actively maintained

Alternative to:

Zendesk+19

Frappe Helpdesk is an open-source customer support platform with ticket management, agent and customer portals, SLAs, automation rules, and a knowledge base.

AGPL-3.0Actively maintained

Alternative to:

Zendesk+19

A PHP-based open-source CRM providing contacts, leads, pipelines, workflows, dashboards and extensible integrations for sales and support teams.

AGPL-3.0Actively maintained

Alternative to:

Zoho CRM+19

Peppermint is a self-hosted help desk and issue tracker with email-to-ticket, notes, file uploads, webhooks, and OIDC authentication for teams.

Slowing down

Alternative to:

Zendesk+18

Modern open-source help desk for managing customer conversations with shared inboxes, automation rules, CSAT surveys, roles/permissions, and API/webhooks.

AGPL-3.0Actively maintained

Alternative to:

Zendesk+19

Self-hosted live chat and customer support platform with website widgets, operator console, chatbots, omnichannel integrations, and optional voice/video/screensharing.

Apache-2.0Actively maintained

Alternative to:

Zendesk+19

Request Tracker (RT) is an enterprise-grade ticketing and issue tracking system with email integration, automation, workflows, reporting, and optional asset management.

GPL-2.0Actively maintained

Alternative to:

Zendesk+19

Open-source PSA for MSPs combining client documentation, ticketing, billing/accounting, and a client portal, with API integrations and optional AI assistance.

GPL-3.0Actively maintained

Alternative to:

HaloITSM+19

Open-source web-based ticketing system for customer support and IT service management with automation, knowledgebase, and CMDB extension.

GPL-3.0Actively maintained

Alternative to:

Zendesk+19

Open-source conversational platform to build AI chatbots, multichannel live chat, and human-in-the-loop customer support with knowledge base and RAG capabilities.

MITActively maintained

Alternative to:

Tiledesk+19

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.

MITLikely dormant

Alternative to:

Zendesk+15

Python-based, highly customizable issue tracker with web, email, REST, XML-RPC and CLI interfaces; supports multiple databases and extensible workflows.

Actively maintained

Alternative to:

Atlassian Jira+19