osTicket vs OTOBO
A side-by-side comparison of two self-hosted helpdesk & ticketing options — licensing, setup difficulty, resource needs, and what each one replaces.
osTicket
Widely used open-source support ticket system
VS
OTOBO
Enterprise ticket system and service management
| Feature | osTicket | OTOBO |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 81 · Excellent | 72 · Good |
| Category | Helpdesk & Ticketing | Helpdesk & Ticketing |
| License | GPL-2.0 | GPL-3.0 |
| Language | PHP | Perl |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 3,922 | ★ 337 |
| First released | 2003 | 2019 |
| Replaces | Zendesk, Freshdesk | ServiceNow, Zendesk |
What are osTicket and OTOBO?
osTicket
osTicket is a widely used open-source support ticket system. It routes inquiries from email, web forms, and APIs into a simple, easy-to-use multi-user interface.
- Email and web ticket creation
- Custom fields and forms
- SLA and ticket routing
- Canned responses
OTOBO
OTOBO is an open-source ticket system and service management tool, a successor to OTRS Community Edition. It supports ITSM processes, automation, and detailed reporting.
- ITIL service management
- Process automation engine
- Customizable ticket workflows
- Detailed dashboards
osTicket vs OTOBO: key differences
OsTicket is written in PHP, while OTOBO is built with Perl. Licensing differs — GPL-2.0 for osTicket versus GPL-3.0 for OTOBO. OsTicket is the lighter option, starting around 512 MB of RAM against 2,048 MB for OTOBO. OsTicket is the more established project (first released 2003), while OTOBO arrived in 2019. OsTicket has the considerably larger community, at 3,922 GitHub stars versus 337.
Why pick each one
Choose osTicket if…
- Mature and stable
- Easy for staff to learn
Watch out for
- Interface looks dated
Choose OTOBO if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Written in Perl
Frequently asked questions
Is osTicket or OTOBO better?
osTicket is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider OTOBO if its specific feature set fits your needs better.
Are osTicket and OTOBO free and open-source?
Yes. osTicket is licensed under GPL-2.0 and OTOBO under GPL-3.0. Both can be self-hosted at no software cost.
Can I run osTicket and OTOBO with Docker?
osTicket: yes. OTOBO: yes.
Which is lighter on resources, osTicket or OTOBO?
osTicket has the smaller minimum footprint at 512 MB of RAM, compared to about 2,048 MB for OTOBO. Real-world usage depends on library size, user count, and enabled features.