Nominatim vs OpenTripPlanner
A side-by-side comparison of two self-hosted maps & gis options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Nominatim
Geocoding and reverse geocoding for OpenStreetMap data
VS
OpenTripPlanner
Multimodal trip planning and transit routing engine
| Feature | Nominatim | OpenTripPlanner |
|---|---|---|
| Category | Maps & GIS | Maps & GIS |
| License | GPL-3.0 | LGPL-3.0 |
| Language | Python | Java |
| Setup difficulty | Hard | Hard |
| Min. RAM | 16,384 MB | 8,192 MB |
| Deployment | docker, bare-metal | docker, bare-metal, binary |
| GitHub stars | ★ 4,406 | ★ 2,709 |
| First released | 2008 | 2009 |
| Replaces | Google Geocoding API | Google Maps Transit |
Why pick each one
Choose Nominatim if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Active community (4.4k GitHub stars)
- Written in Python
Choose OpenTripPlanner if…
- Released under the LGPL-3.0 license
- First-class Docker support for quick deployment
- Active community (2.7k GitHub stars)
- Written in Java
Frequently asked questions
Is Nominatim or OpenTripPlanner better?
Neither is universally better. Nominatim has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Nominatim and OpenTripPlanner free and open-source?
Yes. Nominatim is licensed under GPL-3.0 and OpenTripPlanner under LGPL-3.0. Both can be self-hosted at no software cost.
Can I run Nominatim and OpenTripPlanner with Docker?
Nominatim: yes. OpenTripPlanner: yes.