OpenALPR vs Picamera2
A side-by-side comparison of two self-hosted video surveillance options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
OpenALPR
Automatic license plate recognition library
VS
Picamera2
Python library for the Raspberry Pi camera with streaming support
| Feature | OpenALPR | Picamera2 |
|---|---|---|
| Category | Video Surveillance | Video Surveillance |
| License | AGPL-3.0 | BSD-2-Clause |
| Language | C++ | Python |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 256 MB |
| Deployment | docker, bare-metal | bare-metal, source |
| GitHub stars | ★ 11,440 | ★ 1,236 |
| First released | 2015 | 2021 |
| Replaces | Rekor Scout, Plate Recognizer | Proprietary camera SDKs |
Why pick each one
Choose OpenALPR if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Mature project with 11.4k GitHub stars
- Written in C++
Frequently asked questions
Is OpenALPR or Picamera2 better?
Neither is universally better. OpenALPR has the larger community, while Picamera2 is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are OpenALPR and Picamera2 free and open-source?
Yes. OpenALPR is licensed under AGPL-3.0 and Picamera2 under BSD-2-Clause. Both can be self-hosted at no software cost.
Can I run OpenALPR and Picamera2 with Docker?
OpenALPR: yes. Picamera2: check the project docs for container support.