DuckDB is an analytical in-process SQL database management system

Safe, Open, High-Performance — PDF for AI

an open source geocoder for openstreetmap data

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

Web application for U.S. federal spending data

🔮 Graphile's Crystal Monorepo; home to Grafast, PostGraphile, pg-introspection, pg-sql2 and much more!

A better commenting experience from Vox Media

Open Source realtime backend in 1 file

An open source multi-tool for exploring and publishing data

The Crystal Programming Language

Generate generic activity streams from the actions on your site. Users can follow any actors' activities for personalized streams.

Event-driven networking engine written in Python.

Framework and command-line tools for integrating FollowTheMoney data streams from multiple sources

An Emacs configuration bundle with batteries included

nivo provides a rich set of dataviz components, built on top of the awesome d3 and React libraries

music21 is a Toolkit for Computational Musicology

Work with Git forges from the comfort of Magit

Community list of transit APIs, apps, datasets, research, and software 🚌🌟🚋🌟🚂

JRuby gem for performing multidimensional queries of relational database data using Mondrian OLAP Java library

Code. Music. Live.

The most comprehensive visualization of U.S. public data —

Programs to process GoPro MP4 & Generic GPX/FIT files and create video dashboards & maps

🐯 visx | visualization components

Plumb a PDF for detailed information about each char, rectangle, line, et cetera — and easily extract text and tables.

OpenBook is an open source Jazz real book

Renders music in HTML.

jellyjoin Python package for soft joins with embedding vectors

The Data Engineering Cookbook

Pelias is a modular open-source geocoder using Elasticsearch.

An implementation of Django's EmailBackend compatible with sendgrid-python v5+