Email and newsletters
Mailbird alternatives
2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
Foundry376/Mailspring★17,726 GitHub starsGPL-3.0 licenceA beautiful, fast, cross-platform desktop email client supporting multiple accounts and unified inbox.Open on GitHub ↗mailpile/Mailpile★8,826 GitHub starslicence unclearA modern, privacy-focused, locally running email client with search, encryption, and web-based UI.Open on GitHub ↗
What you give up either way
- Polished, cross-platform native installers and QA across Windows and Mac
- Built-in integrations catalogue and pre-built app embeds
- Brand recognition and existing user base
- Proprietary AI writing integration and advanced features like unlimited email tracking
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Mailbird, and it does not prove anyone has run it for a month. How we decide.