Best Self-hosted Customer Support & Ticketing tools in 2026
20 self-hosted open source alternatives in this category
See also:
Billing & SubscriptionsCRM & SalesERP & OperationsFinance & AccountingHuman Resources (HR)Marketing & Customer EngagementProject & Work ManagementScheduling, Booking & Appointments20 services found

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


Chatwoot
Open-source omnichannel customer support and live chat platform
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.

Krayin CRM
Open-source Laravel-based CRM for sales, marketing and support
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...

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

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

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

SuiteCRM
Open-source Customer Relationship Management (CRM) platform
Community-driven open-source CRM providing sales, marketing, service, reporting, workflow automation, REST API and on-premises or hosted deployment.

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

osTicket
Open source web-based customer support ticketing system
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.
Peppermint
Self-hosted help desk and issue tracking system
Peppermint is a self-hosted help desk and issue tracker with email-to-ticket, notes, file uploads, webhooks, and OIDC authentication for teams.

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

EspoCRM
Open-source PHP CRM platform with modular extensions and REST API
A PHP-based open-source CRM providing contacts, leads, pipelines, workflows, dashboards and extensible integrations for sales and support teams.

Libredesk
Self-hosted customer support desk with shared inbox and automation
Modern open-source help desk for managing customer conversations with shared inboxes, automation rules, CSAT surveys, roles/permissions, and API/webhooks.
Live Helper Chat
Open-source live chat support platform with bots and omnichannel
Self-hosted live chat and customer support platform with website widgets, operator console, chatbots, omnichannel integrations, and optional voice/video/screensharing.
Request Tracker (RT)
Enterprise-grade ticket and issue tracking system
Request Tracker (RT) is an enterprise-grade ticketing and issue tracking system with email integration, automation, workflows, reporting, and optional asset management.
ITFlow
All-in-one PSA platform for MSP documentation, ticketing, and billing
Open-source PSA for MSPs combining client documentation, ticketing, billing/accounting, and a client portal, with API integrations and optional AI assistance.

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

Tiledesk
Open-source platform for AI chatbots and multichannel live chat
Open-source conversational platform to build AI chatbots, multichannel live chat, and human-in-the-loop customer support with knowledge base and RAG capabilities.
HelpRealm
Lightweight SaaS support ticket system
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.
Roundup
Flexible issue-tracking system with web, email, REST and CLI interfaces
Python-based, highly customizable issue tracker with web, email, REST, XML-RPC and CLI interfaces; supports multiple databases and extensible workflows.