Zammad
Easy to use but powerful support and ticketing system.
Helpdesk, bug and issue tracking software to help the tracking of user requests, bugs and missing features.
We track 23 open-source, self-hosted Ticketing apps. 15 of them had commits in the last 90 days, 13 can run with Docker, and the most common licenses are ⊘ Proprietary (8), AGPL-3.0 (6), MIT (4). The most-used languages are PHP, Python, Perl. Below are the top picks by GitHub stars, followed by every app ranked by stars weighted by maintenance health.
| # | App | Stars | Health | Last activity | License | Language | Docker |
|---|---|---|---|---|---|---|---|
| 1 | Zammad | 6.1k | Active | 2026-11-09 | AGPL-3.0 | Ruby, deb | – |
| 2 | Forgejo | 5.8k | Active | 2026-11-14 | MIT | Docker, Go | ✓ |
| 3 | FreeScout | 4.7k | Active | 2026-11-07 | AGPL-3.0 | PHP, Docker | ✓ |
| 4 | Erxes | 4.1k | Active | 2026-11-09 | AGPL-3.0, Commons-Clause | Docker, Nodejs | ✓ |
| 5 | Frappe Helpdesk | 3.5k | Active | 2026-11-09 | AGPL-3.0 | Docker | ✓ |
Ranked by GitHub stars weighted by maintenance health.
Easy to use but powerful support and ticketing system.
Lightweight software forge focused on scaling, federation, and privacy (fork of Gitea).
Email-based customer support application, help desk and shared mailbox (alternative to Zendesk and Help Scout).
Marketing, sales, and customer service platform designed to help businesses attract more engaged customers.
Helpdesk software which helps you streamline your company's support, offers an easy setup, clean user interface, and automation tools to resolve customer queries efficiently.
Modern omnichannel customer support desk. Live chat, email, and more in a single binary.
Real-time error tracking for your applications with all the details in one place. Easy setup with clear instructions included.
Bug tracker, fits best for software development.
Enterprise-grade issue tracking system.
Client IT documentation, ticketing, invoicing and accounting for MSPs (Managed Service Providers).
General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.
Error tracking server compatible with Sentry SDKs, using 32 MB of memory at idle with SQLite storage.
Flexible web-based ticketing system used for customer service, help desk, IT service management.
Error tracking app to collect errors reported by your app.
Visual bug reporting and ticketing tool for web applications.
On-Premise help desk software that includes email, chat, voice & help centre publishing. Full visible source code and API.
Help desk ticketing and project/issue tracker.
Simple, easy to use help desk & knowledge base software. Custom branding, custom themes, restful API, communication channels, multi-company support, multi-language support, and much more! At least 1 new release per month.
Professional and extensible issue tracker.
Help desk software - simple but powerful.
Simple-to-use and -install issue tracking system with command-line, web, REST, XML-RPC, and e-mail interfaces. Designed with flexibility in mind - not just another bug tracker.
Powerful help desk software - easy, fast and intuitive.
Lightweight error tracker without a subscription (alternative to Sentry).
By GitHub stars, the most popular self-hosted Ticketing apps are Zammad (6,099 stars), Forgejo (5,826 stars), FreeScout (4,656 stars). Popularity is only one signal: also check maintenance health, license and whether it fits your setup.
15 of the 23 apps listed had commits in the last 90 days; for 8 we have no repository activity data.
13 of the 23 apps can run with Docker; 2 publish an image on Docker Hub, including Erxes and Bugsink.
The most common licenses in this category are ⊘ Proprietary (8 apps), AGPL-3.0 (6 apps), MIT (4 apps).
The software itself is free to download. Based on our rough hardware estimates, the cheapest suitable VPS plan starts at about $3.5/month (median $5/month across apps in this category). Several light apps can share one server.
Figures from GitHub and Docker Hub as of 2026-11-15; hosting costs are rough estimates.