Ben keeps coming back to these

Markup

• Emacs Org mode cheat sheet
• Markdown cheat sheet
• MediaWiki formatting
• Typst syntax. Typst is a spiritual successor to LaTeX, really fast, very, very interesting.

Networking

• Pieter Robyns: Wireless Network Privacy — master's thesis with lots of juicy EAP info
• Wireguard topologies

Miscellaneous

• ADS-B Exchange — flight tracking

Coding & Lisp

• An opinionated list of excellent Clojure learning materials
• The Common Lisp cookbook
• Using local JAR's in Leiningen