Helpful comment on configuring projectile so that it finds a project under strict control. I want to be fully in control of what appears to be a project, and this is what I needed.
Package for using Emacs in a more shell-like way, but while doing it in a very Emacs-like way. Contains interactive tools for pipeline manipulation, as well as a scripting language, of sorts
Despite using it since the mid 1990s, I'd never noticed that Emacs had acquired a pretty good charting library. This blog post is a pretty good introduction to it.