Compare software

Gaseous ServerRetrom
Free

Free and open source under the AGPL 3.0 license.

 Free

Free to use; the source is published on GitHub.

Web, Self-hosted Self-hosted
  • Identifies ROMs and adds metadata from multiple sources
  • Play games in the browser through the built-in emulator
  • One central library shared across several machines
  • Integrates emulators for launching games
  • Needs a server to run
  • Little documentation outside the repository
  • Requires running and maintaining your own server
  • Mainly aimed at emulation rather than modern PC stores
Self-hosted Self-hosted
Open source Open source
License: AGPL-3.0 License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 24, 2026

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