compare
FairEmail vs Mailspring
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | FairEmail | Mailspring |
|---|---|---|
| Language | Java | TypeScript |
| Licence | GPL-3.0 | GPL-3.0 |
| Stars | 4.7k | 18k |
| Latest | 1.2338 | 1.26.0 |
| Last push | 2026-10-02 | 2026-10-06 |
| Release cadence | about 1 day between releases | about 9 days between releases |
| Active contributors | 1 commit author on the default branch in the last 90 days | 23 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Microsoft Outlook. Alternatives to Microsoft Outlook →
PartialFairEmailPrivacy-focused mail for any IMAP or POP3 account on Android; no calendar.
PartialMailspringDesktop mail for IMAP, Gmail and Office 365 accounts on Windows, macOS and Linux, without a calendar.
FairEmail
Mailspring
- 1.26.02026-10-02This is a major sync reliability release - The sync engine now tracks every folder a message lives in, rather than forc…
- 1.25.02026-09-19Features:
- 1.24.12026-09-15On Linux, Mailspring 1.24.1 fixed accounts being lost after upgrading when the KWallet secret name changed. Mailspring…
- 1.24.02026-09-13Note: The Flatpak version of Mailspring now uses Portal for secret storage, and you may be prompted to re-authenticate…
- 1.23.02026-07-22Features:
FairEmail
unsigned The latest release, 1.2338, carries no signature GitHub could verify.
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Mailspring
unsigned The latest release, 1.26.0, carries no signature GitHub could verify.
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