I make small Mac apps for things I need myself, then tidy them up so anyone can use them. They're free, and the source code is on GitHub.
Both need macOS 14 (Sonoma) or newer.
Where the names come from
Crocus and Jonah are both named after songs by the Victor Dimisich Band. The most recent versions of both are on An Afternoon With Victor Dimisich, the collection of 1981 demos that Siltbreeze released this year.