Compare software

Forward EmailSimpleLogin
Freemium

Free tier available for custom domain forwarding, open source.

 Freemium

Free tier available, with paid plans for more aliases and features; owned by Proton.

Web Android, Web, Browser extension
  • Unlimited aliases and generous free storage for custom domain forwarding
  • Fully open source rather than a closed proprietary forwarder
  • Open source alias generation with the backing of Proton
  • Aliases can be disabled individually to stop spam without changing your real address
  • Requires owning and configuring a custom domain to get the full benefit
  • Advanced use cases may require comfort with DNS configuration
  • Best features and higher alias limits require a paid plan
  • Now tied into the Proton ecosystem after the acquisition
Web application Web application, Browser extension
Open source Open 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 September 22, 2026

Checked September 22, 2026

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