Top 23 unity3d-plugin Open-Source Projects

1. Unity-Script-Collection

   1 3 6,335 3.8

   A maintained collection of useful & free unity scripts / library's / plugins and extensions

   

2. ReSharper

   www.jetbrains.com featured

   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.

   

3. NaughtyAttributes

   2 36 5,154 0.0 C#

   Attribute Extensions for Unity

   

4. awesome-unity-open-source-on-github

   3 1 4,415 3.8

   A categorized collection of awesome Unity open source on GitHub (800+)

   

5. UnityLibrary

   4 1 4,355 6.3 C#

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

   

6. UnityMeshSimplifier

   5 4 2,026 3.0 C#

   Mesh simplification for Unity.

   

7. NativeWebSocket

   6 6 1,681 2.3 C#

   🔌 WebSocket client for Unity/MonoGame/Godot Mono - with no external dependencies (WebGL, Native, Android, iOS, UWP)

   

   Project mention: How I Built a Socket.IO v4 Client for Unity from Scratch (with WebGL Support) | dev.to | 2026-04-06

   https://github.com/endel/NativeWebSocket.git#upm

8. awesome-unity

   7 2 1,403 2.0

   A curated list of awesome Unity games! 🎮 (by proyecto26)

   

9. SaaSHub

   www.saashub.com featured

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

   

10. fluid-behavior-tree

    8 3 1,165 0.0 C#

    Behavior trees for Unity3D projects. Written with a code driven approach on the builder pattern.

    

11. Unity-QuickSheet

    9 1 1,085 0.0 C#

    Unity-QuickSheet enables you to use spreadsheet file data within Unity editor.

    

12. nobodywho

    10 5 1,006 9.8 Rust

    NobodyWho is an inference engine that lets you run LLMs locally and efficiently on any device.

    

    Project mention: Stop Using Ollama | news.ycombinator.com | 2026-04-15

    Oh hey I'm also working on a thing to solve the devx of llama.cpp: https://github.com/nobodywho-ooo/nobodywho

    In contrast to Ollama, this is a self-contained library, not a server.

    I wrote some quick notes on this blogpost, just to jot down how we think about good open-source citizenship: https://www.nobodywho.ai/posts/notes-on-friends-dont-let-fri...

13. realtime-CSG-for-unity

    11 11 985 4.4 C#

    Realtime-CSG, CSG level editor for Unity

    

14. Simple-Unity-Audio-Manager

    12 1 754 1.3 C#

    A decentralized audio playing system for Unity, designed for simplicity and built to scale!

    

15. apple-signin-unity

    13 3 739 4.2 C#

    Unity plugin to support Sign In With Apple Id

    

16. UniWindowController

    14 1 710 7.0 C#

    Makes your Unity window transparent and allows you to drop files

    

17. UnityRuntimeNodeEditor

    15 1 489 2.0 C#

    Unity runtime node editor using with Unity UI.

    

18. unity-google-drive

    16 1 426 2.3 C#

    Google Drive SDK for the Unity game engine

    

19. Unity-BitmapFontImporter

    17 1 262 3.6 C#

    An unity editor extension for bitmap font.

    

20. unity-raw-input

    18 2 246 4.7 C#

    Windows Raw Input wrapper for Unity game engine

    

21. extOSC

    19 1 243 0.6 C#

    extOSC is a tool dedicated to simplify creation of applications in Unity with OSC protocol usage.

    

22. scriptable-events

    20 1 148 6.0 C#

    Simple and extensible event system for Unity Engine, implemented via scriptable objects

    

23. SafeValues

    21 3 128 0.0 C#

    A simple Unity library for cheating prevention

    

24. Unity-AnimatorTransitionCopier

    22 1 125 5.0 C#

    A simple tool for copying and pasting transitions in Animator Editor.

    

25. VoxReader

    23 2 89 6.7 C#

    A C# library to read .vox files created with MagicaVoxel

    

26. SaaSHub

    www.saashub.com featured

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

    

unity3d-plugin related posts

• How I Built a Socket.IO v4 Client for Unity from Scratch (with WebGL Support)

  2 projects | dev.to | 6 Apr 2026

• Live Streaming from Unity - Integrated Chat (Part 4)

  1 project | dev.to | 21 Feb 2024

• universal-sdk-unity VS apple-signin-unity - a user suggested alternative

  2 projects | 12 Dec 2023

• How do you implement static string, I use it like this but im not sure if it's a good way

  1 project | /r/Unity3D | 1 Jul 2023

• Does anyone know of good diagramming software for Behavior Trees?

  1 project | /r/gamedev | 30 May 2023

• How do you handle the constant null checking?

  1 project | /r/gamedev | 1 May 2023

• A small but useful class for creating saved variables in PlayerPrefs

  1 project | /r/Unity3D | 26 Apr 2023
• A note from our sponsor - ReSharper
  www.jetbrains.com | 21 Jun 2026

  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. Learn more →

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www.jetbrains.com