Top 23 C# Unity Projects

Unity

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1. ILSpy

   1 42 24,236 9.6 C#

   .NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

   

2. InfluxDB

   www.influxdata.com featured

   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.

   

3. ml-agents

   2 60 18,965 6.6 C#

   The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement learning and imitation learning.

   

4. UniTask

   3 23 10,287 6.4 C#

   Provides an efficient allocation free async/await integration for Unity.

   

5. dnSpy

   4 8 9,453 8.6 C#

   Unofficial revival of the well known .NET debugger and assembly editor, dnSpy (by dnSpyEx)

   

   Project mention: dnSpyEx: .NET Debugger and Assembly Editor | news.ycombinator.com | 2025-01-15

6. Il2CppDumper

   5 12 8,267 4.0 C#

   Unity il2cpp reverse engineer

   

7. Entitas

   6 4 7,587 0.0 C#

   Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity

   

8. BepInEx

   7 72 7,013 4.3 C#

   Unity / XNA game patcher and plugin framework

   

9. Stream

   getstream.io featured

   Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

   

10. UIEffect

    8 2 6,979 9.1 C#

    UIEffect is an open-source package that allows you to intuitively apply rich UI effects directly from the Inspector or via code. Combine various filters, such as grayscale, blur, and dissolve, to decorate your UI with a unique visual style!

    

11. AssetRipper

    9 20 6,564 9.6 C#

    GUI Application to work with engine assets, asset bundles, and serialized files

    

12. MessagePack for C# (.NET, .NET Core, Unity, Xamarin)

    10 22 6,553 7.7 C#

    Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]

    

    Project mention: Desempenho - ZLinq | dev.to | 2025-05-21

13. Harmony

    11 26 6,229 9.2 C#

    A library for patching, replacing and decorating .NET and Mono methods during runtime

    

14. MixedRealityToolkit-Unity

    12 18 6,063 5.0 C#

    This repository is for the legacy Mixed Reality Toolkit (MRTK) v2. For the latest version of the MRTK please visit https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity

    

    Project mention: GameDev Guardian: static analysis and Unity | dev.to | 2025-08-01

    However, sometimes a programmer makes a mistake and forgets to use it, just like in the MixedRealityToolkit-Unity project:

15. Mirror

    13 23 5,988 9.1 C#

    #1 Open Source Unity Networking Library

    

16. open-project-1

    14 34 5,974 0.0 C#

    Unity Open Project #1: Chop Chop

    

17. ParticleEffectForUGUI

    15 8 5,407 6.4 C#

    Render particle effect in UnityUI(uGUI). Maskable, sortable, and no extra Camera/RenderTexture/Canvas.

    

18. ZLinq

    16 4 4,794 9.7 C#

    Zero allocation LINQ with LINQ to Span, LINQ to SIMD, and LINQ to Tree (FileSystem, JSON, GameObject, etc.) for all .NET platforms and Unity, Godot.

    

    Project mention: What .NET 10 GC Changes Mean for Developers | news.ycombinator.com | 2025-10-05

19. wavefunctioncollapse

    17 6 4,780 0.0 C#

    Walk through an infinite, procedurally generated city (by marian42)

    

20. MathUtilities

    18 3 4,663 0.0 C#

    A collection of some of the neat math and physics tricks that I've collected over the last few years.

    

21. unity-mcp

    19 5 4,323 9.7 C#

    An MCP server that allows MCP clients like Claude Desktop or Cursor to perform actions in the Unity Editor

    

    Project mention: Stop Clicking, Start Talking: Control Your Unity Editor with AI Using MCP for Unity | dev.to | 2025-12-14

    View the Project on GitHub

22. MagicOnion

    20 4 4,282 9.0 C#

    Unified Realtime/API framework for .NET platform and Unity.

    

23. UnityLibrary

    21 1 4,251 7.3 C#

    :books: Library of all kind of scripts, snippets & shaders for Unity

    

24. crest

    22 9 3,762 8.1 C#

    A class-leading water system implemented in Unity

    

25. XCharts

    23 1 3,665 8.2 C#

    A charting and data visualization library for Unity. Unity数据可视化图表插件。

    

26. SaaSHub

    www.saashub.com featured

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

C# Unity related posts

• Stop Clicking, Start Talking: Control Your Unity Editor with AI Using MCP for Unity

  1 project | dev.to | 14 Dec 2025

• Show HN: Open-source Unity MCP for game developers

  1 project | news.ycombinator.com | 8 Oct 2025

• Belitsoft on ZLinq: The LINQ You Know, Without the GC Overhead

  1 project | dev.to | 7 Aug 2025

• Why it's nearly impossible to buy an original Bob Ross painting

  1 project | news.ycombinator.com | 15 Jun 2025

• Desempenho - ZLinq

  2 projects | dev.to | 21 May 2025

• Binary Formats Are Better Than JSON in Browsers

  2 projects | news.ycombinator.com | 14 May 2025

• 🧠🥷How to make cool Ninja game (Unity MCP + Blender MCP (Cline and Cursor))

  1 project | dev.to | 29 Mar 2025
• A note from our sponsor - SaaSHub
  www.saashub.com | 24 Dec 2025

  SaaSHub helps you find the best software and product alternatives Learn more →

Index

Sponsored

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.

www.influxdata.com

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