Joy of Computing

A Perl REPL with support for tab completion, automatic class reloading, history support, and more. — davidbalbert

A review of the last 30 years of computer input latency. Computers are getting faster, but latency keeps growing. — davidbalbert

An interesting look at how to program a pen plotter to draw a Dragon Curve during a workshop at RC! — rachel

A Golang driver implementation for Bitcoin's lightning network. — porterjamesj

An overview of how you can use Nix to build a better deploy process -- one that is automatic, repeatable, idempotent, reversible, and atomic. — nicholasbs

A guide to patching the Ruby interpreter's parser to add an increment (e.g., i++) operator. — nicholasbs

It's not every day that you uncover a 16th-century calendar bug in Ruby! — rachel

A mobile web app that when you input your name and birthday the next page will show you a greeting with your horoscope! Also a great example of how to use ReactiveSwift and MVVM for beginners. — spirtes

If you can program the rules, this general game solver written in Haskell can play! — Mai

A simple library to take care of complex CSS animations. — nicholasbs