bump.lua
Forum thread:
https://love2d.org/forums/viewtopic.php?f=5&t=9489
Latest version:
https://github.com/kikito/bump.lua
bump.lua is a very barebones collision detection library. It only manages axis aligned bounding boxes, but has a very nice interface for doing so.
Please refer to the forum post above or the latest version link for examples of use.