bitsy

adam le doux tool ★ 4.9 (707)free

a little engine for little games, worlds, and stories

Interactive Fiction2DGame engineLevel EditorLo-fiPixel ArtSpritesTilemapworld-building

World Maker

Chunky Dev tool ★ 4.4 (12)free

An open source world building tool.

buildingmapsoftwaretextTilemaptoolwikiworldworld-building

Fantasy Planet Painter

Methodox Technologies, Inc. tool $6.99 USD

Paint and procedurally generate planet maps with simple strokes.

GeneratorlandscapemapPaintingplanetProcedural GenerationSci-fiterrainutilityworld-building