And now there's 201!
I don’t know what the opposite of “Not Invented Here Syndrome” is. But these days I swear all anyone wants to do is MacGyver together three dozens layers and frameworks and pray the spit holds it together.
If you know what you want, and no tools does it, then just roll your own. Inventing Things Here is criminally underrated.
Right now it does not have a date picker because the difficult of writing a rules engine that handles date conditions. I hope to change that down the road, this is more than an MVP but I have so much more I hope to do.