There are 13 repositories under gamedev-tool topic.
The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.
A high performance, editable terrain system for Godot 4.
Bake, A build system for building, testing and running C & C++ projects
GoNorth is a story and content planning tool for RPGs and other open world games.
Complete 3D to Pixel Toolkit [Built using Godot Engine]
:triangular_ruler: An simple immediate-mode 3D gimzo/manipulator (translation, rotation, scale widget) in ~1200 LoC
A simple script for fracturing polygons. Also adds nice helper functions for polygons like calculateArea, triangulate, getRandomPointsInPolygon, getBoundingRect)
A comprehensive list of custom game engines
BRINDIE FREE - an .ai sourcefile with sizes for art assets needed to create Facebook page, Twitter profile, Steam Store page and Steam Developer page
A FOSS Branching Game Dialogue Editor
A wrapper script for Unity debug calls to use conditional attributes in order to avoid debug code being compiled into release builds.
Add-on that converts rendered frames into a sprite sheet once the render is completed, so that you can have a nice animation for games, apps or websites
simple tool built in Unity C# to test Yarn files, good for game devs and narrative designers
A curated list of Torque3D and related Torque Game Engine resources.
Achievement System Plugin for Godot Engine 4.4.x
A fantasy console written in C++ using SFML and using ChaiScript and LuaJIT for scripting.
Your future favorite Game Engine :p (Under developpement BUT STILL, come help !)
A modular Unity toolkit for managing 2D/3D audio, music playback, and advanced haptic feedback
A wrapper over the Unity Debug class, offering fluent syntax and extra features.
A small tool to create reflection information for C++ projects, ala Unreal's UHT
A 3D Game Engine with a Lua scripting system
MonoGameUniversalEffects allows you to compile MonoGame shaders on platforms other than Windows
C# Multiplayer framework for Godot 4
Sony PlayStation (1994) (PS1/PSX/PSone) Image/Texture Viewer/Editor/Creator/Converter
looping midi file to looping Ogg Vorbis converter
A common data table creation tool for the game industry.
In game developer console for Unity games
Sprite packer, and more. Pure Javascript. No install. Cross-platform.
a vulkan renderer made in C.
Examples for LibSGD - A Simple Game Development Library