The SimpleLogin back-end and web app
Email aliases that forward to your real inbox, with custom domains.
alternatives to
Firefox Relay
Keep your email safe from hackers and trackers. Make an email alias with 1 click, and keep your address to yourself.
SimpleLogin and addy.io. 2 alternatives to Firefox Relay, in Python, PHP. Compare fit, licence, stars and the latest signed release.
Side by side
| Tool | Fit | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|---|
| SimpleLogin | Full replacement | 7.1k | AGPL-3.0 | Open source | Yes | Python | v4.82.4 | 2026-10-14 |
| addy.io | Full replacement | 4.9k | AGPL-3.0 | Open source | Yes | PHP | v1.7.3 | 2026-10-06 |
Every alternative
2 alternatives
Anonymous email forwarding
Email aliases that forward to your real address, with custom domains and no browser tie-in.
Head to head
About Firefox Relay
- Language
- Python
- Licence
- Other
- Stars
- 1.8k
- Last push
- 2026-10-15