Hey guys! I'd like to make a list of other Free and Open source game engines that mach following requirements: - free as in speech - Works on Linux, Mac and Windows (or in browser) - it's game engine with editor (like Godot :smile: ) - it's not dead (I mean someone is maintaining is at least)

Why?

I'm not looking for alternatives to Godot, since it fits me perfectly. Godot's scene system is a most powerful abstraction I've seen in gamedev so far. I can make any kind of game I want in it, however I think it's good to take a look at other engines. We may discuss unique features or workflow of that engines and consider porting some best parts to Godot as plugins or extending engine itself. Some of this engines may have very specific purpose and that's what make them more interesting :)

List

Solarus - 2d engine for creating Zelda like RPG games
GDevelop - it seems to be engine in style of Construct and Multimedia Fusion: uses visual programming and it's quite easy to get started
Scratch visual programming environment. Designed to help kids learn programming. There is also more advanced variation of Scratch called Snap
Catroid also known as PocketCode is similar to Scratch but it allows creating games on Android device
PuzzleScript - HTML5 engine for writing tile-based puzzle games
Atomic - looks like Unity clone
PX8 - open source implementation of PICO-8 fantasy console.
LIKO-12 yet another fantasy console
Superpowers - for creating 2d/3d games in HTML5.
Game Editor - I don't know what to say about this one. It looks pretty oldschool and cool at the same time. Just take a look
Blender Game Engine - built in into Blender - 3D creation suite.
RPGBoss - similart to RPG Maker
Ink - interactive narration engine with export to HTML5 and json
Sphere - JavaScript-based game engine & editor
Twine - tool for telling interactive, nonlinear stories
Ren'Py - visual novel engine
Bitsy - little editor for little HTML5 games where you can walk around and talk to people.
Torque 3D - 3d game engine
TIC-80 - open source fantasy console. Similar to Pico8 but less restrictive. Scripting in Lua, Moonscript and Javascript.
Playscii - ASCII art editor and game engine
MegaZeux - MegaZeux is a game creation system originally released in 1994 and still being developed today.

Honorable mentions

Z Game Editor - for writing really small games under 64kb (editor is Windows only but it works under Wine and you can export games for Linux and Mac OS)
Construct classic - it's pretty dead and Windows only but It was nice open source engine few years ago

Have you been using any of these engines? Or maybe you found game engine that match my criteria? Please post here so we can discuss it advantages and nice features :)