Identifer is an app I never thought I needed. However, I'm not the most organized person in the world and that extends to how I store "knowledge" in my computer. Because there are so many apps that I use to develop or create the individual pieces of a larger project or goal, there are an equal number of files along with them. Having a unique ID generator at the ready has enabled me to quickly give a primary key to a project and include it in whatever else supports/feeds into that project, be it a note in Notion or Bear, a file name, etc. Then it serves as a sort of univeral tag that I can search for in whatever app I'm lost in to find the thing/things I'm looking for. I try to ensure I capture the UUID's purpose in a central location to unlock the primary key, but can always find it in at least one applicable document/file.