L-Systems Editor

made by Winston, submitted by Mai
A super cool (and pretty!) L-Systems visualization tool

SweetPea: A language for declaratively specifying randomized experimental designs

made by Annie ByReferenceNotByValue Cherkaev, submitted by nicholasbs
SweetPea is an early-stage language for declaratively specifying neuroscience and psychology experiments, as well as a run-time for generating trial sequences for those experiments.

Code Lauren

made by maryrosecook, submitted by davidbalbert
A live programming environment for making games. It supports running code in both directions: forward and reverse.

idris-canvas

made by trillionalyssa, submitted by porterjamesj
Bindings to the browser canvas API for the Idris language.

poetry-lang

made by Sarah Welz Geselowitz, submitted by porterjamesj
A programming language designed to read like poetry!

React from scratch

made by thechutrain, nick, anushriadhia, submitted by porterjamesj
A 2kb implementation of React from scratch, along with a presentation built using the library itself!

Creating your own reverse geocoder with OSM and PostGIS

made and submitted by stevenleeg
Ever wondered how you could leverage OSM data for your own project? This post provides a quick guide on how to import OSM data dumps into your own database and begin running spacial joins using PostGIS.

Teaching a cheap ethernet switch new tricks

made by Benjojo, submitted by porterjamesj
Ben figured out how to run arbitrary code on an inexpensive Dell switch.

git-pair

made by thechutrain, submitted by porterjamesj
A command line tool for automatically adding "Co-authored-by: " lines to git commits while pair programming.

Config Management

made by rking, submitted by porterjamesj
An explanation for configuration management for beginners. Very cool to see, since config management is so often a mysterious topic!