I am happy to host other programs, links & references here. Email me to have something included.

Brook & Storey, Analytical Biochemistry 201. 119-126 (1992), Bound and Determined: A computer program for making buffers of defined Ion Concentrations. DOS program BAD (an exe file, right click and chose save as).

Schoenmakers, Visser, Flik and Theuvenet, BioTechniques v12, #6 (1992) 870-879, CHELATOR: An Improved Method for Computing Metal Ion Concentrations in Physiological Solutions. DOS program Chelator.