Customer Support & Ticketing

6 self-hosted open source alternatives in this category

Rocket.Chat

Secure team messaging with channels, DMs, and omnichannel support

Self-hosted team chat platform with channels, DMs, voice/video, rich integrations, and omnichannel customer support features.

Alternative to:

Slack+9

Zammad

Open-source helpdesk and customer support ticketing system

5.3k

919

Last commit: 2d ago

Self-hosted helpdesk for email and multichannel ticketing with SLA, automation, knowledge base, and integrations for support teams.

Alternative to:

Zendesk+7

FreeScout

Open source help desk built on shared mailboxes

613

Last commit: 5d ago

FreeScout is a lightweight help desk for managing shared email inboxes with ticketing, assignments, collision detection, and extensible modules.

Alternative to:

Help Scout+7

EspoCRM

Open-source CRM for sales, marketing automation, and support

2.7k

787

Last commit: 2d ago

Self-hosted CRM with leads/opportunities, email & calendar sync, marketing automation, workflows, and extensible entity-based customization.

Alternative to:

Salesforce Sales Cloud+6

Libredesk

Lightweight, email-first helpdesk for managing support tickets

124

Last commit: 1d ago

Open-source helpdesk that turns inbound email into tickets, supports assignments and statuses, and provides a simple web UI for teams to manage customer support.

Alternative to:

Zendesk+6

Roundup

Flexible issue tracker with a customizable data model

Last commit: 16d ago

Roundup is a Python issue tracker with email and web interfaces, customizable schemas, and built-in workflow features for bugs, tasks, and support queues.

Alternative to:

Jira+3