Stalwart vs Librem One
In short: Librem One wins on privacy, Librem One wins on price, and Librem One wins on features. The full comparison is below, last checked 25 October 2026.
Stalwart or Librem One: which should you choose?
- Go for Stalwart if you'd like to try it free first; an address on your own domain; and a calendar and contacts alongside your mail.
| Feature | Stalwart | Librem One |
|---|---|---|
| Overall | Not rated | 2.0 |
| Privacy | Not rated | 1.0 |
| Price | Not rated | 2.5 |
| Features | Not rated | 2.5 |
| Cheapest plan | Community Free (Enterprise from €2 per mailbox a year) | Librem One $7.99 a month |
| Free plan | Yes, open source | No |
| Storage | Not confirmed | Not confirmed |
| Your own domain | ✓ Yes | No |
| End-to-end encryption | No | No |
| Company based in | United Kingdom | United States |
| Your data is kept in | Your own server | Not confirmed |
| Founded | 2019 | Unknown |
| Free trial | Free to download | Unknown |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | No |
| Aliases | Yes | Yes |
| Open-source apps | ✓ Yes | ✓ Yes |
| Sign up without ID | No | No |
| White label | Unknown | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 22 October 2026 |
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The key differences
- Cheapest plans: Stalwart Community, Free (Enterprise from €2 per mailbox a year). Librem One Librem One, $7.99 a month.
- Stalwart has a free plan (open source); Librem One has no free plan.
- Your mail is stored in Your own server with Stalwart, and in Not confirmed with Librem One.
- The companies sit under different laws: Stalwart in United Kingdom, Librem One in United States.
- You can use your own domain with Stalwart, but not with Librem One.
Stalwart and Librem One: your questions
Can I use my own domain with Stalwart or Librem One?
Only Stalwart does (Yes). With Librem One your address stays on its own domain.
Where is my email stored with Stalwart and Librem One?
Stalwart keeps it in Your own server. Librem One keeps it in Not confirmed.
Prices and the latest news
Neither price has changed since my first check on 22 October 2026.
The latest headlines: Stalwart news · Librem One news.
Alternatives to Stalwart and Librem One
Stalwart vs Proton Mail · Librem One vs Proton Mail · Stalwart vs mailbox.org · Librem One vs mailbox.org · Stalwart vs Posteo · Librem One vs Posteo
Switching between them
Moving between any two providers works the same way. Pick your two providers for the steps.