Compare software

MailHogMailCatcher
Free

Free and open source under the MIT licence.

 Free

Free and open source under the MIT License.

Windows, macOS, Linux, Self-hosted, Command line macOS, Linux, Web, Command line
  • Single Go binary that runs without installation
  • Web UI and API for inspecting captured mail
  • Captures email locally for development
  • Shows HTML, plain text, and source views
  • Little development activity; last commit in early 2024
  • Intended for testing, not for delivering production mail
  • Requires Ruby 3.3 or newer
  • Email encoding support is incomplete
Downloadable app, Self-hosted Downloadable app, Web application
Open source Open source
License: MIT License: MIT
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 2, 2026

Checked October 8, 2026

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