* [http://www.kwrwater.nl/Waterware/How_does_HyCA_work/ HyCA] Commercial software available from [https://web.archive.org/web/20150601032221/http://www.kwrwater.nl/waterware/ KWR waterware]
* [http://www.rockware.com/product/overview.php?id=150 AqQA] Commercial software available from [http://www.rockware.com/index.php RockWare, Inc.]
* [http://www.rockware.com/product/overview.php?id=70 AquaChem] Commercial software from [http://www.swstechnology.com/ Schlumberger Water Services]
* [http://www.rockware.com/product/overview.php?id=74 ChemPoint Pro] Commercial software from [http://www.pointstar.com/Default.aspx Starpoint software, Inc.]
* [https://www.sanitastech.com/sanitas/sanitas.html Sanitas] Commercial software from [https://www.sanitastech.com/ Sanitas Technologies LLC]
* The Geochemist's Workbench Commercial software from [http://www.gwb.com/ Aqueous Solutions LLC]
* [http://community.gwb.com/diagrams.php GWB Community Edition] Free community edition of the popular geochemical modeling software package.
* RockWorks Utilities Commercial software from RockWare, Inc.
* EnviroInsite Commercial software from HydroAnalysis, Inc.
* [http://python.hydrology-amsterdam.nl/ Python Scripts] Free open-source Python scripts that can plot stiff diagrams.