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

UIWidget is a Unity Package which helps developers to create, debug and deploy efficient, cross-platform Apps.

Unity support for both ReSharper and Rider

Automatic LOD generation + scene optimization

Author XR in XR

Unity Scripting in C++

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

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

Switcher of UI theme in Unity Editor (light -> dark) (.NET, WPF)

Unity UGUI editor tools,improve the efficiency of ui development.

Node graph editor framework focused on data processing using Unity UIElements and C# 4.6

Add buttons to your inspector in Unity super easily with this simple attribute

A texture maker tool for unity.

🚀Actors is a framework empowering developers to make better games faster on Unity.

Mulligan Renamer tool for the Unity Editor allows for quick and safe renaming of many assets and gameobjects at once

SpatialOS GDK for Unity

Serializable dictionary class for Unity

This is an open source Unity pause menu created for the game New Horizons, and it's completely free because of how a pause menu is a core component of a game, while the unity asset store was lacking in such an asset (until this was released on the asset store).

A Unity editor extension for finding missing object references

An aseprite-file importer for unity written in C#, built upon the experimental AssetImporter API

An unity editor extension for bitmap font.

A mesh-based PBR decal system for Unity's universal render pipeline.

Exposed Unity Editor WebView API

An open source GIT Unity3D editor plugin.

Texture atlas creator for Unity

Tools, custom attributes, drawers and extensions for Unity Editor.

STL import/export for Unity, supporting both ASCII and Binary.

Unity Hex Tile Editor

Utility to export data from the unity profiler

Unity extension that enables expression evaluation at runtime to facilitate testing and debugging.