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Top 3 C# source-engine Projects
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ReSharper
ReSharper is now available in VS Code and Cursor. ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.
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Fragsurf-2
Fragsurf is an actively developed standalone game based on HL2 surf and bhop movement mechanics.
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Semi-Fixed-Time-Step-Interpolation
Semi fixed time step interpolation implementation on unity based on source engine
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-engine discussion
C# source-engine related posts
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Why is Hammer notorious for being a pain in the ass?
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Massive ERROR boxes in my CSGO map
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How to put custom textures into a map and pack them
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HELP! HAMMER++ FOR TF2 IS BROKEN!
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Tips and Tricks?
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I just found out about Hammer++, and it's great, but it crashes when it compiles. (CS:S)
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THE STUPID FUCKING COMPILE WINDOW DOESNT SHOW UP
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A note from our sponsor - ReSharper
www.jetbrains.com | 7 Jun 2026
Index
What are some of the best open-source source-engine projects in C#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | CompilePal | 255 |
| 2 | Fragsurf-2 | 95 |
| 3 | Semi-Fixed-Time-Step-Interpolation | 7 |
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ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.
www.jetbrains.com