Compare software

PilerMailSteward
Free

Free and open source to download and self-host.

 Paid

Lite costs $24.95, MailSteward $49.95 and Pro $99.95, with a trial version available.

Self-hosted macOS
  • Tamper-evident archiving with retention policies
  • Full-text search with filtering across archived mail
  • Searchable long-term archive for Apple Mail and Gmail
  • Unlimited database size even in the Lite edition
  • Requires running and maintaining your own server
  • Aimed at organizations rather than individual users
  • macOS only
  • Pro edition requires setting up a MySQL server
Self-hosted Downloadable app
Open source Closed source
License not stated 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 October 2, 2026

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