Stack Overflow's Combination Rich Text / Markdown Editor

JavaScript embedder for Wolfram Cloud notebooks

Python code to do harmonic analysis on arbitrary molecule given a full dimensional PES.

Mini framework for easy creation of standalone or not CDFs/Notebooks, managing simple dependencies, session bookmarking etc.

Wolfram Language kernel for Jupyter notebooks

Call Wolfram Language functions from Python

Rubi for Mathematica

Control flow utilities

Simple converter of Mathematica notebooks to markdown.

Tools for creating Wolfram Cloud Objects with Vue.js based interfaces.

Mini framework helping to scale Dynamics up

Finite Element Method addons for Wolfram Language

Extend Mathematica with LibraryLink and C++ with ease

Repository for custom stylesheets developed by the users at mathematica.stackexchange.com

Utilities for importing FEM meshes to Mathematica

DevTools and styles for mathematica developers

Mathematica package for using FFMPEG library

api.nasa.gov

The official sources for the RDKit library

A Wolfram Language package which automates interactions with web browsers

Additional features supporting paclets in Mathematica

TLC is a model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.

A package for visualizing molecules.

Ray tracing in Mathematica using POV-Ray

A parser for the Wolfram Language

HTML parser for Mathematica/Wolfram Language