The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Bring data to life with SVG, Canvas and HTML. 📊📈🎉

The Web framework for perfectionists with deadlines.

Developer-first error tracking and performance monitoring

Python best practices guidebook, written for humans.

A modern, portable, easy to use crypto library.

OSS-Fuzz - continuous fuzzing for open source software.

gunicorn 'Green Unicorn' is a WSGI HTTP Server for UNIX, fast clients and sleepy applications.

The Python package installer

A configurable set of panels that display various debug information about the current request/response.

The source code that powers readthedocs.org

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.

A library of free and open source Bootstrap themes and templates

The Sublime Text package manager

A generic system for filtering Django QuerySets based on user selections

Crypto 101, the introductory book on cryptography.

Simple tagging for django

Python Lex-Yacc

a Django-based platform for rapidly developing websites

Interactively grep source code. Source for http://livegrep.com/

Raven is the legacy Python client for Sentry (getsentry.com) — replaced by sentry-python

A cool logging replacement for Python.

Mustache in Python

Here lieth a pioneer in open source sustainability. RIP

A high performance ruby, written in RPython

A Django app for handling user avatars.

Safely add untrusted strings to HTML/XML markup.

A web application to monitor and analyze the performance of your code

A simple distributed queue designed for handling one-off tasks with large sets of tasks

An attempt to port David Beazley's PLY to RPython, and give it a cooler API.