I think you'll find this would save a ton of time in office jobs that require a lot of excel work.
They manage clipboard history in addition to other functions. Adding that FIFO/LIFO paste functionality is probably either a configuration matter or a simple edit on the source where you just delete an entry from the history automatically on being pasted. To toggle LIFO/FIFO, it's probably simplest to just reverse the history on a keybinding.
Searching for "windows clipboard managers" also gives some results, though I have no clue as to the breadth of their functionality or extensibility.
GUI file browsing details that influence the width of their column. Too often I find long names truncated and have to adjust the width myself when there's obviously lots of white space in other columns. Maybe a bit too OS for your question.
I've had a couple of failed attempts at creating one myself. What I keep getting hung up on is that I don't know front end programming. I've tried working on it in the evenings and get frustrated with the front end development.
I've thought about founding a company to work on it and hire some contractors to do the front end work, but I'm not really interested in running a company.