LegendKeeper - LegendKeeper makes it easy to build immersive worlds for stories and RPG campaigns.
Plottr - The #1 rated visual book planning and series bible software for professional and aspiring writers.
CharacterHub - A social network designed for original characters, fan characters, and world-building.
Kanka.io - Kanka.
Notebook.ai - A smart notebook that grows and collaborates with you
Toyhouse - Toyhouse is a platform that allows users to build up characters foe their games and stories.