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Addy.io vs Forward Email: catalog facts
Addy.io	Forward Email
Freemium Free tier available, open source software formerly known as AnonAddy.	Freemium Free tier available for custom domain forwarding, open source.
Web, Self-hosted, Browser extension	Web
Unlimited aliases available for free Open source, with the option to self-host your own instance	Unlimited aliases and generous free storage for custom domain forwarding Fully open source rather than a closed proprietary forwarder
Some advanced features are limited on the free tier Requires trusting or self-hosting the forwarding infrastructure	Requires owning and configuring a custom domain to get the full benefit Advanced use cases may require comfort with DNS configuration
Web application, Self-hosted, Browser extension	Web application
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
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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