Open Source

JavaScript
Aphrodite
Updated recently
Inline styles that work!
JavaScript
KaTeX
Updated recently
The fastest math rendering library for the web.
JavaScript
Live Editor
Updated recently
A browser-based live coding environment.
JavaScript
Perseus
Updated recently
Khan Academy's exercise question editor and renderer.
JavaScript
Tota11y
Updated recently
An accessibility (a11y) visualization toolkit.
JavaScript
Kmath
Updated recently
JavaScript Numeric Math Utilities.
JavaScript
Mu Lambda
Updated recently
A small library of functional programming utilities.
JavaScript
React Balance Text
Updated recently
A React wrapper for the Adobe Web Platform's Balance-Text Project
JavaScript
Fuzzy Match Utils
Updated recently
A collection of string matching algorithms designed with React Select in mind.
JavaScript
React Multi-Select
Updated recently
A multiple select component for React
JavaScript
React Components
Updated recently
Some components we build for Khan Academy the world might find useful.
Python
Snippets
Updated recently
Code related to collecting and pushing weekly snippets.
JavaScript
Khan API
Updated recently
Documentation for (and examples of) using the Khan Academy API.
Python
TinyQuery
Updated recently
A Python in-memory test stub for BigQuery.
JavaScript
GAE Mini Profiler
Updated recently
A ubiquitous mini-profiler for Google App Engine, inspired by mvc-mini-profiler.
Python
i18nize Templates
Updated recently
A tool to automatically add i18n markup to jinja2 and handlebars templates.
Python
Guacamole
Updated recently
General-use machine learning for learning library.
JavaScript
Structured JS
Updated recently
A simple interface for checking the structure of JavaScript code.