Top 7 C# hacktoberfest-accepted Projects

FluentFlyouts3

8 252 1.7 C#

Fluent Flyouts 3 WinUI 3 Edition
OctaneDownloader

4 211 8.0 C#

A high performance, multi-threaded C# file download library.
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.
CoWinVaccineSlotFinder

2 80 0.0 C#

Cross-Platform Software to Fetch the Available Slots & Book the Appointment for COVID-19 Vaccination
Cardidy

3 28 4.6 C#

A .net library to identify credit card number and cvv
WSA-Sideload-APK

2 22 0.0 C#

A simple application to sideload apks with ease for windows subsystem for android enabled windows 11 machines.
UtilityBelt

1 17 4.6 C#

Fun console application (by aherd2985)
tsunami

1 6 7.1 C#

A High Performance C# wrapper that allows you to get the benefits of SIMD Intrinsics on List<T>. (by gregyjames)

Project mention: GitHub - gregyjames/tsunami: A High Performance C# wrapper for working with Vector<T> for SIMD Intrinsics. It allows you to get all the performance benefits of SIMD instructions without having to worry about things like memory management, resizing inputs or dealing with the Vector type. | /r/coolgithubprojects | 2023-06-15

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.

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). The latest post mention was on 2023-06-15.