OpenALPR
Video SurveillanceAutomatic license plate recognition library
Replaces Rekor Scout, Plate Recognizer
Best Offline-First Video Surveillance for self-hosting
The 8 best Offline-First video surveillance you can self-host, ranked by community traction.
OpenCvSharp
Video Surveillance.NET wrapper for OpenCV computer vision
Replaces Commercial vision SDKs
Viseron
Video SurveillanceSelf-hosted NVR with local AI object detection
Replaces Nest Cam, Blue Iris
OpenIPC
Video SurveillanceOpen-source firmware for IP cameras and surveillance devices
Replaces Stock IP camera firmware
WebRTC Camera
Video SurveillanceLow-latency camera streaming integration for Home Assistant
Replaces Cloud camera streaming
Frigate Home Assistant Integration
Video SurveillanceConnects Frigate NVR detections into Home Assistant
Replaces Cloud camera integrations
Picamera2
Video SurveillancePython library for the Raspberry Pi camera with streaming support
Replaces Proprietary camera SDKs
DVR-Scan
Video SurveillanceDetect and extract motion events from video footage
Replaces Blue Iris motion review
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| OpenALPR | Under-an-hour setup | Hard | 1,024 MB | AGPL-3.0 | 11,470 |
| OpenCvSharp | Read-the-docs project | Medium | 512 MB | Apache-2.0 | 6,114 |
| Viseron | Under-an-hour setup | Medium | 2,048 MB | MIT | 3,579 |
| OpenIPC | Read-the-docs project | Hard | 64 MB | MIT | 2,242 |
| WebRTC Camera | Read-the-docs project | Medium | 256 MB | MIT | 2,187 |
| Frigate Home Assistant Integration | Read-the-docs project | Easy | 128 MB | MIT | 1,276 |
| Picamera2 | Read-the-docs project | Medium | 256 MB | BSD-2-Clause | 1,246 |
| DVR-Scan | Read-the-docs project | Easy | 256 MB | BSD-2-Clause | 527 |
Quick picks
- Most adopted: OpenALPR (11,470 GitHub stars).
- Lightest footprint: OpenIPC (from 64 MB RAM, against 2,048 MB for the heaviest here).
- Licensing: 4 of 8 use MIT; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged Offline-First within the video surveillance category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.