maximilian467 / Developer-Island

A Dynamic Island for Windows: Claude Code & Codex usage, now playing, focus timer, calendar and system health in one native capsule. Local-first.

bkaankose / Wino-Mail

Built-in Mail & Calendars app clone for Windows.

phw198 / OutlookGoogleCalendarSync

Sync your Outlook and Google calendars

nager / Nager.Date

Easily access public holidays for 200+ countries via .NET, REST API, Docker, or NuGet for online and offline use.

ical-org / ical.net

iCal.NET - iCalendar library for .Net

kekeeya / Windows-P5-Calendar

A Windows desktop P5 fanmade calendar.