Joy of Computing

An emulator for the Z80 processor, with a web-based UI which lets you load programs, step through their instructions, and see the current state of main memory and all registers. — nicholasbs

A calming interactive visualization of a poem's cadence. — porterjamesj

I wrote a computational essay about using autocorrelation to infer whether to draw a line or bar chart, illustrated how it's calculated, and concluded with historical context. It's a live notebook; click the left margin to view or edit code for any cell. — tophtucker

A JavaScript library for building little languages with tagged template literals. — porterjamesj

An in-browser drawing app, built entirely with Rust and WebAssembly. Try it out at https://www.lynnagara.com/draw-app/ — porterjamesj

A Game of Life server written in Rust. You can try it out over telnet!: telnet stillinbeta.com 30434 — porterjamesj

Wesley put a 4GB file in a 232KB file system by making some clever modifications to the FAT. — davidbalbert

An explanation of some of the difficulties in private information retrieval, along with an interesting scheme to make using bloom filters more tenable. — wesleyac

This post shows that TLA+ can be used for things you might not expect, like modeling autoscaling and load balancing with off-the-shelf tools. — porterjamesj

The PDF specification includes a JavaScript interpreter, and Chrome's PDF reader implements some of its API. This PDF has a game of Breakout embedded inside it. The README describes the clever hacks used to make it work. — davidbalbert