Sites like kenney.nl

Quaternius, a free library of 3D game assets such as character models, animations, props and vehicles, under a free-use license

Personal website of Ari, presenting a catalogue of practical, lightweight Mac apps and other creative projects

Stefan Persson's Imphenzia site offers low poly game assets, sound effects, music, games and tutorial videos by a solo Swedish-Australian creator

Godot Engine, a free open-source 2D and 3D game engine with a project blog and forum, with news by Thaddeus Crews and others

A personal blog of Unity3D shader tutorials and breakdowns by Cyanilux, mostly using Universal Render Pipeline and Shader Graph

Tiled, a free flexible level editor for designing 2D game maps, with its news and documentation pages

Shader tutorials for Unity in HLSL, written by Ronja as a blog-style series of guides

Paralives, a life simulation indie video game where players build houses, create characters and manage their lives

KidsCanCode.org is a site of game development and coding tutorials for kids, plus Godot Engine recipe collections for 2D and 3D games

GDevelop, an open-source no-code game engine for making 2D and 3D games and publishing them on Steam and app stores

PixiEditor, a free open-source pixel art, painting, vector and animation editor with a documentation section and forum

Thrive, a free open-source evolution game and its weekly development news, by the Revolutionary Games Studio team

Fold Up Toys, a shop and monthly subscription club selling printable paper craft toys designed by Alex Gwynne

A game development news blog by Mike Jennings covering engines, tools, free assets and tutorials

Unity shader and game development tutorials, with portfolio, by programmer and educator Roystan

Rapier, a documentation and demo site for the Rust 2D and 3D physics engines developed by Dimforge

Joona Aalto's blog and project pages on Avian Physics, an ECS-driven physics engine for the Bevy game engine, and Algorust

The Sheep's Meow is an indie video game studio making small, reflective games such as Hold On, by a team including Brian S. Chung

Poly Haven is a free public library of HDRI lighting maps, PBR textures and 3D models by Rob Tuytel

MonoGame, an open-source cross-platform C# framework for game development, run by the non-profit MonoGame Foundation with its news blog

PixiJS is an open-source HTML5 rendering library for interactive 2D graphics, games and cross-platform applications, maintained by a volunteer core team

A community repository for userscripts, with discussion forums, where users share and install browser scripts

A free library of PBR textures, HDRIs and 3D models for download, run by the ambientCG project

A collaborative online library of user-uploaded sound effects and field recordings under Creative Commons licences, with forums, charts and search

Eager Passion, a small indie game studio's site with game pages, anime rig commissions and the EP Sword Blender add-on license

Box2D is a 2D physics engine for games, with a blog by its creator Erin Catto on game physics and programming

Defold, a free open-source 2D and 3D game engine with editor, scripting and cross-platform build tools, maintained by the Defold Foundation

Thor Vector Graphics (ThorVG), an open-source lightweight vector graphics engine and project site with release notes by Hermet Park

BleachBit, an open-source disk cleaner and file shredder for Windows and Linux systems, with its help and documentation pages

Unity, a commercial game engine company's website with product news, download pages, and developer resources in several languages

Parry, a Rust library of 2D and 3D collision-detection algorithms, with documentation, user guide and API reference

Sergio Xalambr's personal blog of articles, tutorials, short notes, TILs, weekly releases, bookmarks and glossary terms on software development

Fluttium, a declarative end-to-end testing tool for Flutter apps, with documentation on user flows and built-in actions

A community forum for mod authors and players of Bethesda games, such as The Elder Scrolls and Fallout, plus an Unofficial Patch Project

RPG Paper Maker is a free game engine for building 3D games with 2D sprites, plus an online shop of resources

A browser arcade platform for hosting and sharing Unity WebGL games by single link, returning fall 2026 after a rebuild

A program for running classic graphical adventure and role-playing games on modern systems, using the games' original data files

Fábio Fontes's portfolio site, presenting his freelance illustration and indie video game development work, with resume and commission details

Glass Bottom Games, an indie video game studio founded by Megan Fox in 2011, making games about animals doing human things

A C programming library for making videogames, with examples, games gallery and zlib-licensed source code