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Procedurally-generated American cities

Interactive volumetric toolkit to quickly sculpt your assets in Unity!

Unity editor plugin for level design

Tutorials on customizing Twine® 2 projects with CSS & HTML.

An open source ASCII-based art, animation, and game creation tool.

A free, open source, project oriented level editor made for indie game developers by indie game developers.

A tilemap editor centered around pattern-based auto tiling

Tools for adding Closed Captions, Image Descriptions, and more to your VN!

Make your own Hypercard game in Ren'py!

Unity Source Code

A 2.5D game making engine free for non commercial use!

Quickly create tiles for your isometric game!

Create 2D games in JavaScript, made easier

Create cool 2D games with a free game maker!

A Tool for who draws and wants a pic on the top of his desktop like reference

Super duper awesome fantasy console!

HTML goes in, games come out.

a gamemaster app for DND 5e

A virtual space in which you can focus on one task at a time

FamiStudio - NES Music Editor for chiptune artists & homebrewers

A high-end code editor for all things GameMaker

Pick instruments, key, tempo... randomly for Propellerhead Reason.

Your free and open source sprite editor

A Bitsy hack to​ make slightly bigger little games.​

Advanced dialogue system for Godot 3.x

The vector tool.

Page Builder and Tune Sequencer Development Tools for Hypnospace Outlaw

A simple and easy-to-use raygui layouts editor