Snipper.ml - A simple snippet manager in the menubar
Timber.io - Timber.io is the best logging platform for ruby, node, elixir and much more.
Kite - Kite helps you write code faster by bringing the web's programming knowledge into your editor.
Zoya - Zoya is a highly composable logging utility
Devhints - TL;DR for developer documentation
Fig - Fast, isolated development environments using Docker.