Mailspring
Developer:Foundry 376, LLC
FREEGPL-3.0-only
Email client with a native C++ sync engine and one unified inbox across IMAP, Gmail and Office 365 accounts.
- Platforms
- Windows · macOS · Linux
- Tags
- email · unified-inbox · imap · search
- Security
- No known warnings · checked 30 Jul 2026 · View scan ↗
- Added
- 28 Jul 2026
Links go to the official site. SoftHarbor hosts no downloads.