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Collaboration Calendars & scheduling How to adoptConsidering both Edit answers

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keeper.sh GitHub AGPL-3.0 Calendars & scheduling

keeper.sh

Calendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, iCloud, CalDAV or...

GitHub · collected 2026-11-10

  • Docker
  • Proven usage
  • Install guide
  • Real screens
Price Free (at collection)
License AGPL-3.0
mail GitHub AGPL-3.0 Calendars & scheduling

mail

Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 80 MB of RAM.

GitHub · collected 2026-11-10

  • Proven usage
  • Install guide
  • Real screens
  • Recently updated
Price Free (at collection)
License AGPL-3.0
2

Paid comparison

BeforeSunset AI Product Hunt Calendars & scheduling

BeforeSunset AI

BeforeSunset AI 2.0 offers personalized daily schedules using 5 proven planning techniques. Our AI algorithm crafts your schedule, syncing a...

Product Hunt · collected 2026-10-28

  • Proven usage
  • Real screens
  • Highly rated
Price at collection Not listed by the source
License Not offered
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