Open Source Alternatives to Firefox Relay

An identity protection service that provides email and phone masking to keep personal contact information private. The product generates random masks that forward emails, phone calls, and texts to a user's real account, allowing for anonymous sign-ups and the reduction of spam. It includes a browser extension for on-site mask generation and a dashboard for managing masks and blocking unwanted senders. Premium capabilities include unlimited masks, a unique email domain for on-the-go creation, the ability to reply anonymously, and the removal of email trackers. It is designed for privacy-aware users and is deployed as a browser extension and a web-based dashboard.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Firefox Relay give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 2 open source alternatives to Firefox Relay. The most popular are SimpleLogin and AnonAddy. Most use the AGPL-3.0 license, and 2 offer an official Docker image.