This tool takes a "diff" of two SQL databases, and can be used to aid in migrations.
A static site generator that piggybacks on the existing Gulp ecosystem for transforming files.
This app uses CitiBike's open data feeds to help you find the electric bike riding experience of your dreams. You can see the code here: https://github.com/alizauf/the-bike-electric
Whenever I watch Saul present on VisiData I'm amazed at what a powerful and flexible tool it is.
This browser-based synthesizer makes it easy to quickly create and experiment with its unique "bucket" interface for setting note duration.
It's easy to complain about how browsers are so complicated they're impossible to understand, it's much harder to roll up your sleeves and start making one.
A compiler from Scheme to Lua bytecode. I love seeing compilers with unexpected source language / output language pairs, and this is a great example!
This falling-sand game makes some beautiful emergent visualizations.
Hide secret messages in pictures of cats
A compiler from a subset of Python to WebAssembly