Finder could definitely use some improvements when it comes to moving files from one location to another, as it's not uncommon to find yourself juggling several windows just to keep items from different folders close at hand.

Dropover was designed to help with this, and much more. It's a fairly simple app that allows you to create "shelves" where you can place files, folders, images, and even text. These can then be moved to other locations with drag and drop, or just uploaded or shared with others.

There are a bunch of macOS functions that aren't particularly easy to toggle on or off, and some can't be disabled at all.

OnlySwitch aims to make a few switches more accessible and add a couple that aren't available in the first place. It also provides some extra features, such as an Xcode derived data cleaner and radio player.

FUSE for macOS allows you to extend macOS's native file handling capabilities via third-party file systems. It is a successor to MacFUSE, which has been used as a software building block by dozens of products, but is no longer being maintained.