Every project you clone, build and forget keeps its node_modules, build, .dart_tool, Pods, target and friends on your disk. On one working Mac that added up to 56 GB in projects nobody had touched in 60+ days. Mothball finds that output, proves it is safe to remove, and clears it automatically when you run low on space..
Screenshots

Install
If this does not work, see FAQ#1
If this button doesn't work, see FAQ #1
How to install?
Screenshots
Sites
Sources
Exact match
Name match
Description match
No applications found
No applications found matching "{0}"
Try selecting "All architectures" or broadening your search keywords.
Check for typos or try searching with different keywords.
Clear search
{0} results
Failed to load apps.