I'm not an expert GM \ DM (nor do I play often), but here are some tools and resources that are helping me work on #TTRPG (mostly #DnD) settings and adventures, mainly by sparking imagination and creativity. Of course your mileage may vary!

https://gist.github.com/LostTrainDude/616bd28a0e4c5b0737ae4ad9fba6a44e

TTRPG-resources.md

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Gist
Ex-Novo, playable city-generator by @konstantinosd and @Mnerurkar, and listed among the tools and resources I mentioned in the main post, is currently on sale 35% off on itch.io: https://sharkbombs.itch.io/ex-novo
Ex Novo by Sharkbomb Studios, Martin Nerurkar, Konstantinos D.

A playable city-generator and map-making game.

itch.io