Maybe not quite the same, but I’ve started using Songbook Pro.
It’s a program that’s really set up to collect and categorize songsheets, and those songsheets can be in ChordPro format, which allows for the program to make key changes, show chord charts, and even switch instruments (to show chord charts for those instruments, too). Where it might be relevant here is that it can also categorize songs that are in pdf documents. That doesn’t really allow you to do the key changes or any of that, but it does help with the categorization.
So you can insert the song or lick into your library once but then tag it/categorize it into multiple places at once. So if it fits more than one of the categories you’ve set up, you don’t have to duplicate it.
I’ve started off by populating my library with a library from ozbcoz.com. Most people download stuff from there in the single huge pdf document. That’s fine, but it’s a real PITA to search and pull up the song you want. The songs are ALSO available individually in ChordPro format. I found a browser extension that let me bulk download all 4,000+ of them. I’ve also started adding my own. My wife uses the same library of songs for her ukulele playing and has started adding her own stuff (so far, just variations on songs that are already in there).
Since this app can also handle stuff in pdf format, I’ll probably eventually start to add things like licks and other lead material (say, lead guitar parts for songs already in there, but are essentially just rhythm) by creating them in clean Guitar Pro TAB formatting.
It’s probably more common for folks to use OnSong for this, which is an iOS only app (which is also a subscription-based app). But since I don’t have any iOS devices, I had to choose something else. Songbook Pro has versions for Android, Windows, AND iOS. That’s super handy for me because I can make edits on my desktop or laptop, sync my edits to my Google Drive, and then pull those up on a tablet.
I like this method better than just keeping a massive binder full of stuff that gets harder and harder to search and categorize the bigger it gets. I won’t be getting completely away from the binder for awhile because I still have a bunch of handwritten material from my instructor. But I can absolutely move stuff into the digital library over time. In fact my instructor gave me a song yesterday that I liked so much that I put it into my digital library last night.