Armin's Flask was probably best experience I've ever had with a piece of software. Clean, modular, pragmatic and very well documented. I only stopped using because "websockets, Go, SPA", though I never really finished a side project with those yet.
I can't think of a single WTF moment I had with it. Several "OMG this guy thought about this too" moments.
I can't think of a single WTF moment I had with it. Several "OMG this guy thought about this too" moments.