FMail3 vs Mailspring
Side-by-side comparison for macOS
FMail3
7.0Unofficial native application for Fastmail
Mailspring
8.0Fork of Nylas Mail
| Metric | FMail3 | Mailspring |
|---|---|---|
| Category | Communication | Communication |
| AI Score | 7.0 | 8.0 |
| 30-day Installs | 5 | 82 |
| 90-day Installs | 23 | 287 |
| 365-day Installs | 296 | 818 |
| Version | 2.5.8 | 1.22.0 |
| Auto-updates | Yes | Yes |
| Deprecated | No | No |
| GitHub Stars | — | 17.3K |
| GitHub Forks | — | 977 |
| Open Issues | — | 17 |
| License | — | GPL-3.0 |
| Language | — | JavaScript |
| Last GitHub Commit | — | 3mo ago |
| First Seen | Jul 16, 2025 | Oct 5, 2017 |
Reviews
FMail3
FMail3 is an unofficial native macOS application for Fastmail, offering users a seamless email management experience with Fastmail-specific features. It provides a clean interface and integrates well with macOS, making it ideal for Fastmail users who prefer a native client.
FMail3 is a macOS client that allows users to manage their Fastmail email accounts natively on their Mac.
Pros
- + Native macOS integration for a seamless experience
- + Specific features tailored for Fastmail users
- + Auto-updates keep the app current
Cons
- - Low installation count may indicate niche appeal or potential issues
- - Unofficial status could mean limited support or features
Mailspring
Mailspring is a modern, open-source email client forked from Nylas Mail, offering a fast, beautiful interface across Mac, Windows, and Linux. It's ideal for users seeking a sleek, cross-platform email experience with customization options.
Mailspring is an email client designed to provide a fast and visually appealing experience for managing emails across multiple platforms.
Pros
- + Beautiful and fast user interface
- + Cross-platform support
- + Open-source with active development
Cons
- - Lack of built-in calendar support
- - Past community concerns about its future