Open source C# repos

13 public repos written in C# that SeeRepo read, the most starred first. The most starred is jellyfin/jellyfin, with 59,029.

Read it as markdown

What they use most

Microsoft.Extensions.Logging6 repos
ASP.NET Core4 repos
CommunityToolkit.Mvvm4 repos
Microsoft.EntityFrameworkCore.SqlServer4 repos

C#13 repos

Microsoft.EntityFrameworkCore.Sqlite5 repos
Azure.Identity4 repos
Microsoft.EntityFrameworkCore.Design4 repos
SQLite4 repos

1
jellyfin/jellyfin
The Free Software Media System - Server Backend & API
+559kAI 0.1%
2
files-community/Files
A modern file manager that helps users organize their files and folders.
+1146.5kAI 0.1%
3
wshobson/agents
Plugins, agents, skills, and commands for Claude Code, Codex CLI, Cursor, OpenCode, Antigravity CLI, GitHub Copilot, and Pi, written once in Markdown and adapted to each tool by generators with validation and evals.
42.2kAI 9%
4
ShareX/ShareX
ShareX is a free and open-source application that enables users to capture or record any area of their screen with a single keystroke. It also supports uploading images, text, and various file types to a wide range of destinations.
+540.7k
5
dotnet/aspnetcore
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
+3638.5kAI 1.6%
6
dotnet/maui
.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.
23.3kAI 5.8%
7
KnifeLemon/Filee
Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.
+422.3kAI 56.9%
8
jasontaylordev/CleanArchitecture
Clean Architecture Solution Template for ASP.NET Core
+1420.7k
9
bitwarden/server
Bitwarden infrastructure/backend (API, database, Docker, etc).
+1220.6kAI 0.5%
10
lively-community/lively
Free and open-source software that allows users to set animated desktop wallpapers and screensavers powered by WinUI 3.
+520k
11
ppy/osu
rhythm is just a *click* away!
19.4k
12
ardalis/CleanArchitecture
Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 10
+1218.5kAI 1.1%
13
DapperLib/Dapper
Dapper - a simple object mapper for .Net
+118.4kAI 0.1%

Frequently asked questions

What is the most starred open source C# repo?

jellyfin/jellyfin, with 59,029 stars on GitHub.

The proof: jellyfin/jellyfin on GitHub

What technologies do C# repos use most?

Microsoft.Extensions.Logging (6), Microsoft.EntityFrameworkCore.Sqlite (5), ASP.NET Core (4), Azure.Identity (4), and CommunityToolkit.Mvvm (4), out of the 13 repos.

How many C# repos have commits signed by AI?

9 of the 13; the most, KnifeLemon/Filee, with 56.9% of its commits.

The proof: the commits each tool signed in KnifeLemon/Filee