Top 7 C# Outlook Projects

OutlookGoogleCalendarSync

5 1,718 8.4 C#

Sync your Outlook and Google calendars
outlookcaldavsynchronizer

1 891 5.0 C#

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

1 665 7.7 C#

🌌 Create add-ins and automation code for Microsoft Office applications.
XstReader

10 449 0.0 C#

Xst Reader is an open source viewer for Microsoft Outlook’s .ost and .pst files, written entirely in C#. To download an executable of the current version, go to the releases tab.
Wino-Mail

2 366 4.5 C#

Built-in Mail & Calendars app clone for Windows.
MsgKit

1 193 7.7 C#

A .NET library to make MSG files without the need for Outlook
XstReader

6 84 2.0 C#

XstReader is an open source viewer for Microsoft Outlook’s .ost and .pst files (also those protected by unknown password). You can view and inspect all content and export messages and attachments (also in .msg format). Written entirely in C#, with no dependency on any Microsoft Office components. This project is the evolution of Dijji's XstReader (by iluvadev)

Project mention: "Say goodbye to Outlook dependency: Here's a simple guide to opening a PST file in Thunderbird hassle-free!" | /r/u_MagusTools | 2023-05-03

You can also open .pst and .ost files without Outlook with this open source project: https://github.com/iluvadev/XstReader

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.

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).