Profanity is a console-based take on XMPP messaging, bridging the gap between IRC and desktop clients. Check it out if you live in terminal windows.
Oh-my-git implements one feature of Oh-my-zsh which people really like without needing to switch to Oh-my-zsh or even zsh. It’s a prompt engine which makes your zsh or bash prompt you with details of your current directory in terms of its git status. If it isn’t a git directory, it gives you a normal prompt. Nice work.
Want to hear a horror story? Read Knightmare: A DevOps Cautionary Tale and wince at the pain that took a company down in 45 minutes. Yeah, dodgy dossier timing.
Embedded code run in documentation? Sounds like nothing could go wrong with that… much… well a lot. Well, this is awkward…
First time using Go? Fogleman knocks it out of the park with his pt project, a path tracer in Go which comes complete with examples. He’s got lots of plans for it too so if rendering 3D things is your thing, you may want to check it out.