Paul Butler

emoji-encoder. TypeScript

BarbBlock. Chrome extension which blocks requests to sites which have used legal threats to remove themselves from other blacklists.

treeverse. Visualize Bluesky conversations as a tree.

simplediff. Simple Diff Function implemented in Python, PHP, CoffeeScript, and JavaScript

runipy. Run IPython notebooks as command-line scripts, generate HTML reports

penkit. Tools for pen plotting in Python

subsample. Randomly sample lines from a csv, tsv, or other line-based data file

gcmap. Draw great-circle maps from large sets of coordinate pairs

wgsl-playground. Rust

crossword-composer. Constraint solver for word games.

tiny_id. Rust library for generating non-sequential, tightly-packed short IDs.

haskell_hadoop. Haskell module for streaming hadoop MapReduce jobs

PenPlots.jl. A simple Julia library for generating SVGs suitable for AxiDraw and similar pen plotters.

wgsl-cheat-sheet. Cheat sheet for WGSL syntax for developers coming from GLSL.

wdimtloap. Code accompanying the “what does it mean to listen on a port” blog post.

Python-Gale-Shapley. Python (toy) implementation of Gale-Shapley algorithm for the stable marriage problem

nbgraph. Inline, interactive graphs inside jupyter/ipython notebooks

tweetvis. Twitter conversation visualization

interactive_process. A tiny Rust library for interacting with a running process over `stdio`.

svelte-vis. Svelte

farevis. Visualization of flight prices

firestore-serde. A Rust serializer/deserializer for Google Cloud Firestore.

claude-viewer. A tiny Rust CLI app to dump the full tool call history of a Claude Code session.

tube-plots. Code to accompany plotter videos on my YouTube channel

sec-data-parser. Rust parser for SEC EDGAR .nc submission container files.

python-pattern-matching. Functional pattern matching module for python

rhythmless. Vertical Rhythm for LESS

styletransfer-midi. A Keras implementation of Neural Style Transfer with real-time weight updates from a MIDI control surface.

Probabilistic-Programming-and-Bayesian-Methods-for-Hackers. aka "Bayesian Methods for Hackers": An introduction to Bayesian methods + probabilistic programming with a computation/understanding-first, mathematics-second point of view. All in pure Python ;)

vecdraw. Vectorized, GPU-accelerated drawing library in Rust. (experimental)

tiny-firestore-odm. Rust

facepy. Facepy is a client for Facebook's Graph API that doesn't suck.

are-we-google-cloud-yet. A listing of Rust crates for use with Google Cloud

bitaesthetics. source for bitaesthetics.com

flightdata. Tools for extracting flight schedules from various alliances (incomplete and unmaintained)

awesome-plotters. A curated list of code and resources for pen plotters and other robots that draw

webgl2-glyph. Rust

experiments. Rust

webgl2-glyph-atlas. A Rust library for generating a glyph atlas on-the-fly for text rendering to a WebGL2 canvas context.

notebooks. Public Jupyter notebooks

webFractal. Web-based fractal explorer (February 2007)

crumb. Track arbitrary metrics across the git commits of a program

gtfs-gexf. Convert a route map in GTFS (General Transit Feed Specification) to an undirected GEXF (Graph Exchange XML Format) graph

between.io. Between is an HTTP debugger in your browser

jssec-demo. CoffeeScript

opengrt_data. Raw HTML scraped from GRT's website.

judicial-data. Cleaned dataset of judicial nominations from uscourts.gov.

evals. Evals is a framework for evaluating LLMs and LLM systems, and an open-source registry of benchmarks.

birthmap. Python

yelp. Entry for Yelp Kaggle competition

settings. Settings files (.vimrc, bash, etc.)