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Top 4 C# Source Projects
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Nullable
A source code only package which allows you to use .NET's nullable attributes in older target frameworks like .NET Standard 2.0 or the "old" .NET Framework.
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IsExternalInit
A source code only package which allows you to use C# 9's init and record features in older target frameworks like .NET Standard 2.0 or the "old" .NET Framework by providing a polyfill for the IsExternalInit class.
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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# Source discussion
C# Source related posts
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Team Fortress: Source 2 has been taken down due to a DMCA takedown notice
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Anways, back to burn some heretics.
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TF: Source 2 — Upward Playtest
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Source 2.
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Multi-targeted library, with a recent Language Version
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Why would you use Windows containers ?
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Guys how do I convince my friend to play TF2? he says it's bad because it's old and has outdated graphics, he plays League of legends and Valorant all day and I don't know what to do anymore.
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A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025
Index
What are some of the best open-source Source projects in C#? This list will help you:
# | Project | Stars |
---|---|---|
1 | UtinyRipper | 2,974 |
2 | Nullable | 194 |
3 | IsExternalInit | 111 |
4 | Podimo.ConstEmbed | 14 |