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. Learn more →
Top 23 C# Unity3d Projects
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ml-agents
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.
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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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Project mention: Il2CppDumper: Open-Source Tool for Unity Il2cpp Reverse Engineering | news.ycombinator.com | 2024-10-06
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Entitas
Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity
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UIEffect
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!
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Project mention: AssetRipper: A GUI Tool for Engine Assets and Asset Bundles | news.ycombinator.com | 2024-08-13
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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ParticleEffectForUGUI
Render particle effect in UnityUI(uGUI). Maskable, sortable, and no extra Camera/RenderTexture/Canvas.
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MathUtilities
A collection of some of the neat math and physics tricks that I've collected over the last few years.
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UniVRM
UniVRM is a gltf-based VRM format implementation for Unity. English is here https://vrm.dev/en/ . 日本語 はこちら https://vrm.dev/
👉 For more info, visit the official VRM documentation.
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SoftMaskForUGUI
Enhance Unity UI (uGUI) with advanced soft-masking features to create more visually appealing effects!
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VContainer
The extra fast, minimum code size, GC-free DI (Dependency Injection) library running on Unity Game Engine.
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com.unity.netcode.gameobjects
Netcode for GameObjects is a high-level netcode SDK that provides networking capabilities to GameObject/MonoBehaviour workflows within Unity and sits on top of underlying transport layer.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
C# Unity3d discussion
C# Unity3d related posts
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🧠🥷How to make AI controled Avatar 1 (VRoid)
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Il2CppDumper: Open-Source Tool for Unity Il2cpp Reverse Engineering
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AssetRipper: A GUI Tool for Engine Assets and Asset Bundles
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My Animal Mart (Part 2) - The data config problem.
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VContainer VS Init(args) Lite - a user suggested alternative
2 projects | 5 May 2024 -
Zenject VS Init(args) Lite - a user suggested alternative
2 projects | 5 May 2024 -
Optimizing Graphics and Rendering in Unity: Key aspects and practical solutions
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A note from our sponsor - InfluxDB
www.influxdata.com | 16 Jun 2025
Index
What are some of the best open-source Unity3d projects in C#? This list will help you:
# | Project | Stars |
---|---|---|
1 | ml-agents | 18,234 |
2 | Il2CppDumper | 7,779 |
3 | EntityComponentSystemSamples | 7,671 |
4 | Entitas | 7,329 |
5 | UIEffect | 6,424 |
6 | BepInEx | 5,842 |
7 | AssetRipper | 5,354 |
8 | ParticleEffectForUGUI | 4,941 |
9 | NaughtyAttributes | 4,823 |
10 | MathUtilities | 4,568 |
11 | UnityLibrary | 4,107 |
12 | UtinyRipper | 2,924 |
13 | UniVRM | 2,907 |
14 | ProceduralToolkit | 2,713 |
15 | YarnSpinner | 2,504 |
16 | SoftMaskForUGUI | 2,389 |
17 | SanAndreasUnity | 2,371 |
18 | VContainer | 2,328 |
19 | Kino | 2,231 |
20 | com.unity.netcode.gameobjects | 2,229 |
21 | UnityStandaloneFileBrowser | 2,225 |
22 | MyBox | 2,084 |
23 | NavMeshPlus | 2,029 |