An unofficial open-source BotW editor.
Create your own mods for Shrines and Maps, with little to none installation
and an easy-to-use UI.
You can get the source-code for Ice-Spear from the GitLab Project-Group:
This group contains Ice-Spear itself, libraries for Yaz0, SARC, BYAML and textures, as well as a wiki, issue-tracker, builds and this website.