Digitalfire
   Insight glaze software helps you apply glaze chemistry to formulate and adjust ceramic glazes, enamel, glass and porcelain compounds
   http://digitalfire.com/index.html

Glaze Calculator
   Free glaze software for potters.
   http://www.glazecalc.com/

Matrix Glaze Calculation Software
   Glaze software for Windows, NT and Macintosh computers. Matrix has many unique features including the capacity to store glaze images and create line, triaxial and quadraxial blends.
   http://www.matrix2000.co.nz/

Software by rjw
   Digest and log file reader, and glaze database and calculation software for Windows operating system.
   http://www.dinoclay.com/software/index.html