Zendesk

Zammad is a web based open source helpdesk/customer support system.

Tickets from email, chat, phone and social channels, with a knowledge base and a Zendesk importer.

Langage

Ruby

Licence

AGPL-3.0

Étoiles

6k

Dernière release

7.2.1

Dernier push

2026-10-06

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

Conversations across channels, lighter on ticketing workflows.

Langage

Ruby

Licence

Other

Étoiles

38k

Dernière release

v4.18.0

Dernier push

2026-10-06

UVdesk Open Source Community Helpdesk is a comprehensive ticketing support system designed for everyone, offering robust features to streamline customer support and collaboration.

Tickets from email and web forms, a support centre portal, workflows and saved replies.

Langage

CSS

Licence

OSL-3.0

Étoiles

20k

Dernière release

v1.1.8

Dernier push

2026-10-05

FreeScout — Free self-hosted omnichannel AI-powered helpdesk & shared mailbox

Shared email inbox with tickets; more features come as modules.

Langage

PHP

Licence

AGPL-3.0

Étoiles

4.6k

Dernière release

1.8.245

Dernier push

2026-10-06

The osTicket open source ticketing system official project repository, for versions 1.8 and later

Email and web form tickets with SLAs and a knowledge base, without live chat or phone.

Langage

PHP

Licence

GPL-2.0

Étoiles

4k

Dernière release

v1.18.4

Dernier push

2026-06-17

Modern, Streamlined, Free and Open Source Customer Service Software

Tickets with SLAs, saved replies, assignment rules and a customer portal with a knowledge base, built on the Frappe framework.

Langage

Vue

Licence

AGPL-3.0

Étoiles

3.4k

Dernière release

v1.30.1

Dernier push

2026-10-06

Open-source, self-hosted customer support desk in a single binary. A lightweight alternative to Intercom, Zendesk, Chatwoot.

A shared inbox for email, live chat and WhatsApp with SLAs, automation rules, macros and a help center, in a single Go binary.

Langage

Go

Licence

AGPL-3.0

Étoiles

3k

Dernière release

v2.8.0

Dernier push

2026-10-06

:coffee: :seedling: Trudesk is an open-source help desk/ticketing solution.

Tickets from email and a web portal, with groups, teams and SLAs, without chat or phone.

Langage

JavaScript

Licence

Other

Étoiles

1.5k

Dernière release

v1.2.11

Dernier push

2026-05-11

Faveo Open source ticketing system build on Laravel framework

Email tickets with departments, SLAs and a knowledge base.

Langage

PHP

Licence

OSL-3.0

Étoiles

1.3k

Dernière release

v2.0.3

Dernier push

2026-10-01

Request Tracker, an enterprise-grade issue tracking system

Email-driven tickets with queues, custom fields, scrips and a self-service portal.

Langage

Perl

Licence

GPL-2.0

Étoiles

1.2k

Dernière release

rt-6.0.3

Dernier push

2026-10-05

Znuny is a free, open-source, and versatile web-based ticketing system for Customer Service, Help Desk, IT Service Management, and more. It is built for transparency and long-term sustainability and is highly tailorable to your organization's needs.

Tickets from email and a customer portal, with queues and SLAs.

Langage

Perl

Licence

GPL-3.0

Étoiles

600

Dernière release

rel-7_3_7

Dernier push

2026-10-05

OTOBO is one of the most flexible web-based ticketing systems used for Customer Service, Help Desk, IT Service Management. https://otobo.io/

Tickets from email, phone and a customer portal, with queues and SLAs.

Langage

Perl

Licence

GPL-3.0

Étoiles

336

Dernière release

rel-11_0_18

Dernier push

2026-10-06