freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

JupyterLab computational environment.

Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.

📘 The interactive computing suite for you! ✨

Run code interactively, inspect data, and plot. All the power of Jupyter kernels, inside your favorite text editor.

Code for converting, importing, processing, and displaying Kindle, Instapaper, and Safari Books highlights