Top 10 C# Calendar Projects

OutlookGoogleCalendarSync

5 1,723 8.4 C#

Sync your Outlook and Google calendars
Nager.Date

3 1,035 8.9 C#

:earth_americas: Worldwide holiday (REST API), NuGet or docker container
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
outlookcaldavsynchronizer

1 892 5.0 C#

Sync Outlook with Google, SOGo, Nextcloud or any other CalDAV/CardDAV server
iCal.NET

1 756 0.0 C#

ical.NET - an open source iCal library for .NET
XCalendar

1 283 8.3 C#

A plugin for .NET providing an API for representing a calendar along with fully customisable calendar controls for Xamarin Forms and .NET MAUI
Xamarin.Plugin.Calendar

1 261 0.0 C#

Calendar plugin for Xamarin.Forms
RemindMe

1 77 2.7 C#

Reminds you of events with an un-missasble pop-up on your screen(provided you are at your computer, of course)
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
toast_ui.blazor_calendar

1 50 0.0 C#

Toast UI Calendar Wrapper For Blazor
MoreDateTime

3 10 5.7 C#

An extension library to simplify dealing with .NET's DateTime, DateOnly, TimeOnly and TimeSpan objects, also includes support for the ISO 8601 EDTF profile.

Project mention: EDTF reference library | /r/ISO8601 | 2023-05-24

Library is available on github and nuget.org

Create-a-roster-scheduler-view-in-wpf

1 0 3.9 C#

This repository contains sample to create a roster Scheduler view in WPF

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

C# Calendar related posts

EDTF reference library
1 project | /r/ISO8601 | 24 May 2023
Show HN: MoreDateTime – facilitate .NET date and time operations
1 project | news.ycombinator.com | 22 May 2023
Google Calendar SYNC TO (not view in) Office 365 Calendar?
1 project | /r/sysadmin | 6 Feb 2023
Anyone having experience checking if a given date is within a given iCalender format?
1 project | /r/csharp | 6 Feb 2023
Google Calendar events based on Outlook events
1 project | /r/Automate | 10 Jan 2023
Cloud-based Sync Google Calendar and Microsoft 365 ?
1 project | /r/gsuite | 22 Aug 2022
Sync Outlook calendar (business) to google calendar
1 project | /r/gtd | 11 Aug 2022
A note from our sponsor - WorkOS
workos.com | 27 Apr 2024

The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning. Learn more →

Index

What are some of the best open-source Calendar projects in C#? This list will help you:

	Project	Stars
1	OutlookGoogleCalendarSync	1,723
2	Nager.Date	1,035
3	outlookcaldavsynchronizer	892
4	iCal.NET	756
5	XCalendar	283
6	Xamarin.Plugin.Calendar	261
7	RemindMe	77
8	toast_ui.blazor_calendar	50
9	MoreDateTime	10
10	Create-a-roster-scheduler-view-in-wpf	0