Dungeondraft and Wonderdraft, Godot and whatnot. Share tools, mods, assets (mention the license!), etc.
Let’s take advantage of threading: post the tool up top, and any stuff for it goes in a reply. Keeps things tidy. Or creates chaos. One way to find out!
Tiled is a tilemap or tile-based level editor. It’s free and open source software licensed under the GPL-2.
I worked on a sorta unique tool for a long time (sure doesn’t look like it though because I rewrote it from scratch twice in the process!) Would like to post here, there is a free version with no time or content restrictions and a paid version that just has more features, but I’m afraid it could come across as advertising if I post. What would be your stance on it?
For those into the Rust ecosystem, there’s the Bevy Engine, which is an in-development 3D engine written entirely in Rust
collections of computer game assets go here
https://kenney.nl has thousands of free assets (most if not all of them are CC0)
https://opengameart.org is a site to share and find any kind of free to use asset (various licenses)