Joy of Computing

An oldschool-bbs-like content engine that runs over telnet! Live demo available at escape-sequence.net 4444 (use the `telnet` command in your favourite terminal emulator to connect). — mbionchi

Filippo does great work trying to demystify cryptography and improve implementations of cryptographic algorithms, and this is a nice example. — porterjamesj

An open source, self-hosted, personal internet archive. It saves HTML, JS, PDF, and many more types of media files from your browser history/bookmarks/Pocket/Pinboard/etc. — rachel

This is a Postgres wrapper for Pokemon Red. It lets you edit your inventory, party stats, and a couple of story triggers. An emulator runs pokemon red, then you can run SQL queries to modify the game state. — stillinbeta

This bot creates beautiful drawings of whimsical "new fruits" from the future. It paints them in the style of the USDA's Pomological Watercolor Collection, but with Javascript instead. There's also a Twitter bot version at https://twitter.com/new_fruits — parker

Jennifer built a gesture recognition magic wand as part of a Harry Potter costume for Halloween 2018, using a Raspberry Pi, an inertial measurement unit, a bit of Python, and some hair elastics. The wand detects W (wingardium leviosa) and spiral (flippendo) gestures! The repo includes the code and Python notebooks used to train the gesture recognition machine learning models and some basic sample data. There's also a link to a parts list so you can build your own. — lkuper

Dust is meant to give you an instant overview of which directories are using disk space without requiring sort or head. Like du but more intuitive! — gargi

A twitter bot generating feminist manifestos! — gargi

Figure out which of your housemates are around by sniffing MAC addresses! — vaibhavsagar

Reap.vim hijacks the = operator to run Python 3 source code directly from vim buffers, annotating it with values and output. — nicholasbs