Mainspring 3.0 for Mac can be downloaded from our software library for free. Our antivirus check shows that this Mac download is clean. This software for Mac OS X was originally produced by Mainspring. The latest installation package takes up 3.8 MB on disk.
From the developer:
Mainspring reveals the settings macOS keeps hidden and turns them into
simple, labelled switches, each with an undo button. No Terminal, no
defaults write commands, and nothing you cannot put back.