In 2014, Filippo made the de facto standard tool for testing to see if your website was vulnerable to Heartbleed. (source: https://github.com/FiloSottile/Heartbleed)
A toy programming language made to learn about programming languages and compilers.
A fun walkthrough of calculating pi in your browser using the Chudnovsky algorithm.
These interactive visualizations show time on the ice shared by different NHL players. As Jemma notes, they tell stories of traded players, injuries and changes in lines. The code is here: https://github.com/jemmaissroff/hockey
A Rust library for parsing email headers.
Blend colors without having to open Photoshop (and get the hex code for the output)!
An in-depth review of all the ways you can define method parameters in Ruby.
A TypeScript programming environment based on VSCode with a batteries included approach. You can see the code here: https://github.com/kreteshq/kretes
Find Twitch streams with zero viewers.
A blog post about Annie's explorations into speculative authentication techniques. Code for her pass-pixel authenticator is here: https://github.com/anniebart/pixelArtAuthentication