digiKam vs PiGallery2
A side-by-side comparison of two self-hosted photo management options — licensing, setup difficulty, resource needs, and what each one replaces.
digiKam
Professional photo management with advanced metadata tools
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PiGallery2
Fast directory-based photo gallery with search and maps
| Feature | digiKam | PiGallery2 |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Category | Photo Management | Photo Management |
| License | GPL-2.0 | MIT |
| Language | C++ | TypeScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | bare-metal, binary | docker, bare-metal |
| GitHub stars | ★ 1,200 | ★ 2,281 |
| First released | 2002 | 2016 |
| Replaces | Adobe Lightroom, Google Photos | Google Photos |
What are digiKam and PiGallery2?
digiKam
digiKam is a professional-grade photo management application that handles huge collections with face recognition, geotagging, and powerful metadata editing. Its database and albums can be hosted on a shared server for multi-machine access.
- Face recognition
- Geotagging support
- Advanced metadata editing
- Handles huge libraries
PiGallery2
PiGallery2 is a fast, directory-driven photo gallery server that does not move or modify your files. It supports faces, geolocation maps, and a powerful search syntax with a lightweight footprint.
- Directory-based galleries
- Geolocation maps
- Powerful search syntax
- Read-only on your files
digiKam vs PiGallery2: key differences
DigiKam is written in C++, while PiGallery2 is built with TypeScript. Licensing differs — GPL-2.0 for digiKam versus MIT for PiGallery2. PiGallery2 is the lighter option, starting around 512 MB of RAM against 1,024 MB for digiKam. DigiKam is the more established project (first released 2002), while PiGallery2 arrived in 2016. PiGallery2 lists first-class Docker deployment; digiKam does not.
Why pick each one
Choose digiKam if…
- Very feature rich
- Scales to large collections
Watch out for
- Steep learning curve
- Desktop application only
Choose PiGallery2 if…
- Does not touch your files
- Runs well on a Raspberry Pi
Watch out for
- No editing features
- Limited multi-user support
Frequently asked questions
Is digiKam or PiGallery2 better?
PiGallery2 is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider digiKam if its specific feature set fits your needs better.
Are digiKam and PiGallery2 free and open-source?
Yes. digiKam is licensed under GPL-2.0 and PiGallery2 under MIT. Both can be self-hosted at no software cost.
Can I run digiKam and PiGallery2 with Docker?
digiKam: check the project docs for container support. PiGallery2: yes.
Which is lighter on resources, digiKam or PiGallery2?
PiGallery2 has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for digiKam. Real-world usage depends on library size, user count, and enabled features.