Email clients
Microsoft Outlook: Microsoft Outlook is Microsoft's email, calendar and contacts app for desktop, web and mobile. These tools do a similar job: indie picks from our Friday drops and open source projects, each one chosen by a person.
Updated How we pick
5 alternatives to Microsoft Outlook
Built by small, independent teams
Keyboard-friendly, standards-focused IMAP client for macOS
Best for Mac power users wanting Markdown and heavy keyboard control
freron.com ↗One-time license; optional patron upgrade
Native macOS email client built for Gmail
Best for Mac users on Gmail or Google Workspace
mimestream.com ↗Paid subscription; free trial
Free to use, and you can host them yourself
Building an alternative to Microsoft Outlook?
Get it in front of people who want to try it. Free for makers.
Submit your toolFast open source desktop mail client for Mac, Windows and Linux
Best for Cross-platform email with snooze, templates and read receipts
getmailspring.com ↗GitHub ↗Free; paid Pro
Fine-tuned Thunderbird fork with extra features and fixes
Best for Thunderbird users wanting faster fixes and extras
betterbird.eu ↗GitHub ↗Free (donations)
Free open source email, calendar and contacts app
Best for Desktop users wanting a free full-featured Outlook replacement
