Description: Mathics is an open-source computer algebra system with similarities to Mathematica. It features symbolic calculations, numeric computations, graphics, and support for mathematical typesetting. Mathics aims to be compatible with Mathematica to allow reuse of existing code and resources.
Type: software
Pricing: Open Source
Description: Wolfram Alpha is a computational knowledge engine that allows users to get instant expert-level answers to questions on math, science, and many other topics by typing queries in plain language. It understands and computes answers across many domains.
Type: software