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Hydrus NetworkShimmie2
Free

Free, with source published on GitHub.

 Free

Free and open source to download and host yourself.

Windows, macOS, Linux, Self-hosted Self-hosted
  • Tag-based search across very large collections
  • Imports files and tags from disk and websites
  • Tag-based organization and search for large image collections
  • Runs on a standard PHP web server
  • Takes time to learn compared with ordinary photo libraries
  • Interface is dense and built for power users
  • Needs a server and some web hosting knowledge to set up
  • Booru-style interface is built for tagging rather than photo albums
Downloadable app, Self-hosted Self-hosted
Closed source Open source
License: WTFPL License: GPL-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.