Declarative statistical visualization library for Python

Test doubles for Python.

Store and replay HTTP requests made in your Python app

A Python library to efficiently manage and install database fixtures

Immutable array for JavaScript supporting fast "modification" via structural sharing

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

A bittorrent client written in Haskell

A bittorrent client in Haskell, complete with cliche name.

A font family with a great monospaced variant for programmers.

A (deprecated) framework for building exercises to work with Khan Academy.

A computer algebra system written in pure Python

Zipper for JavaScript dom trees and other tree-like structures