Compare software

Addy.ioSimpleLogin
Freemium

Free tier available, open source software formerly known as AnonAddy.

 Freemium

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

Web, Self-hosted, Browser extension Android, Web, Browser extension
  • Unlimited aliases available for free
  • Open source, with the option to self-host your own instance
  • Open source alias generation with the backing of Proton
  • Aliases can be disabled individually to stop spam without changing your real address
  • Some advanced features are limited on the free tier
  • Requires trusting or self-hosting the forwarding infrastructure
  • Best features and higher alias limits require a paid plan
  • Now tied into the Proton ecosystem after the acquisition
Web application, Self-hosted, Browser extension 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.