Symja is a pure Java library for symbolic mathematics. It supports arbitrary precision integers, rationals and complex numbers, polynomials, differentiation, integration, pattern matching, linear algebra, solvers, and more.
SYMDIFF is a tool for symbolic differentiation of mathematical expressions. It includes Python and Tcl interfaces.
Tools for packaging RDF data in the AWD cloud.
Talks to your 8-bit Apple computer over serial, ethernet, or audio links.