How well do you know dev tools?

Ruby? Simple and expressive. DigitalOcean? Great value. New Relic? Easy setup.

Can you identify which tool people use for the following reasons?

Pattern-matching
Makes programming fun again
Type providers
Frictionless
Delightful
Static type inference
Composable
REPL
Ml syntax
Succinct

Open source log management that actually works
This is it!
Simple, high-reliability, distributed software configuration management
This is it!
Dead simple collaboration in the cloud.
This is it!
F#
Strongly-typed, functional-first programming language for writing simple code to solve complex problems
This is it!