The most active .NET / C# repositories on GitHub, August 2026

As of August 2026, the most active .NET / C# repository on GitHub is jellyfin/jellyfin (55.6k stars). The top 10 .NET / C# repositories tracked by StarHunt hold 247.7k combined stars, averaging 24.8k each, with 9 of 10 updated in the last week. Among the 66 of their contributors StarHunt could place in one of six tracked countries, 76% are in the United States.

What are the most active .NET / C# repositories in August 2026?

The .NET / C# open-source ecosystem keeps growing. Here are the most active repositories to watch this month.

#	Repository	Stars	Last push
1	jellyfin/jellyfin The Free Software Media System - Server Backend & API csharp dotnet	⭐ 55,566	today
2	dotnet/aspnetcore ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on aspnetcore dotnet	⭐ 38,367 (+7)	today
3	dotnet/maui .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spa android desktop	⭐ 23,295	today
4	dotnet/roslyn The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs. csharp hacktoberfest	⭐ 20,604	today
5	jasontaylordev/CleanArchitecture Clean Architecture Solution Template for ASP.NET Core angular asp-net	⭐ 20,446 (+1)	yesterday

Which .NET / C# repositories grew the most this month?

Here is how the .NET / C# rankings changed compared to last month:

• bitwarden/server: +26 stars
• dotnet/runtime: +8 stars
• dotnet/aspnetcore: +7 stars
• LuckyPennySoftware/MediatR: +4 stars
• jasontaylordev/CleanArchitecture: +1 stars

The biggest mover this month was bitwarden/server, which gained 26 stars.

Which .NET / C# repositories are growing fastest?

Ranked by star growth, these .NET / C# projects are rising fastest right now:

• bitwarden/server +26 stars this month (19.8k total)
• dotnet/runtime +8 stars this month (18.2k total)
• LuckyPennySoftware/MediatR +4 stars this month (11.9k total)
• App-vNext/Polly +1 stars this month (14.2k total)
• spectreconsole/spectre.console +1 stars this month (11.6k total)

How active is the .NET / C# ecosystem this month?

Across the top 10 .NET / C# repositories tracked by StarHunt:

• Combined stars: 247,721
• Average stars per repository: 24,772
• Repositories with a commit in the last 7 days: 9 out of 10

If you are hiring .NET / C# engineers, the contributors to these repositories are exactly who you are looking for. StarHunt finds them.

Who builds the top .NET / C# repositories?

StarHunt has indexed 66 contributors across these .NET / C# repositories. Among the 66 located in one of the six tracked countries (United States, United Kingdom, France, Germany, Spain, Canada), the split is:

• United States: 76% (50)
• Canada: 9% (6)
• United Kingdom: 8% (5)
• Spain: 5% (3)
• Germany: 3% (2)

50% have a public email on their GitHub profile.

A few standouts across individual repositories:

• dotnet/runtime — 78% of dotnet/runtime's StarHunt-indexed contributors located in one of the six tracked countries are in the United States.

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