Source release for Hubert's Island Adventure: Mouse o' War level editor http://cheeseandbacon.org/hubert/
This is the (very gross) level editor that I use for Hubert's Island. Abandon all hope, ye who enter here.
This game's source code is licensed under the MIT License. See COPYING.txt for the full license text.
Binaries are currently available to download from the project's Releases section on GitHub: https://github.com/darkoppressor/huberts-island-level-editor/releases