2fas.com
Open source TOTP authenticator for iOS and Android with a companion browser extension and no account required.
Free alternative to Google Authenticator
| Resource | Pricing | Type | Licence | Platforms | Popularity | Last commit | Link |
|---|---|---|---|---|---|---|---|
| 2FAS Auth | Open source | Service | — | web · android · ios · browser-extension | — | — | ✓ |
| ente Auth | Open source | Service | — | web | — | — | ✓ |
| Proton Authenticator | Open source | Service | — | web | — | — | ✓ |
| Cabin | Free | Service | — | web | — | — | ✓ |
| Matomo | Open source | Tool | GPL-3.0 | web | ★ 22k | 2 Oct 2026 | ✓ |
| Aptabase | Open source | Tool | AGPL-3.0 | self-hosted | ★ 1.8k | 1 Oct 2026 | ✓ |
| Willow | Open source | Tool | Apache-2.0 | web | ★ 3.1k | 1 Oct 2026 | ✓ |
A free, cross platform, end-to-end encrypted and open source app for managing your 2-step verification tokens.
Proton Authenticator is an open source and end-to-end encrypted 2FA app that’s simple and free to use.
Web analytics that protects your data and your customers' privacy (alternative to Google Analytics).
