This is a list of programs that can be useful for worldbuilders.
General Worldbuilding
- World Anvil
- Campfire
- One Stop For Writers
- Fantasia Archive
- Obsidian
- Chronographer
- Inkarnate
- Kanka
- Legend Keeper
Castle Creator
Map makers
In addition, GIMP can be modified with brushes that will allow making maps with ye olde feel.
https://www.deviantart.com/thewhitecrayon/art/TSMB-The-GIMP-Edition-151774168
https://www.deviantart.com/calthyechild/art/Tolkien-style-Map-Brushes-138796530
https://opengameart.org/content/cartography-brushes-for-gimp
https://www.deviantart.com/kingofturves/favourites/70539413/RPG-Map-Brushes
https://www.deviantart.com/crimsonvermil-stock/art/Map-Symbols-59689999