Lots of great tips/tools here. Let me add this to the list: Dash https://kapeli.com/dash https://kapeli.com/dash Makes browsing documentation really fast and

Lots of great tips/tools here. Let me add this to the list: Dash https://kapeli.com/dash https://kapeli.com/dash Makes browsing documentation really fast and convenient. Have that bound to F1 in my emacs to lookup the current word at point. So you instantly zap to man pages, lua reference manual, python docs, perl docs, ... you name it. Highly recommended.