Background photo
  • GWB diagrams
  • Reaction path modeling
  • Reactive transport modeling
  • Training


2 seats left at Prague Goldschmidt!

36 places are taken in the Prague workshop on Reactive Transport Modeling in Geochemical Systems – only two seats remain. Register today!

SPECIAL OFFER: $200 credit for workshop attendees

Whether you attended a GWB workshop in the past or are currently registered for one, take $200 off the price of any license or upgrade! Offer ends July 31, 2015.

Workshops in Prague, Baltimore, Philadelphia, Yokohama and more

Learn from the pros! Join us in Prague pre-Goldschmidt, Baltimore pre-GSA, Philadelphia, Yokohama pre-Goldschmidt, Cape Town pre-IGC, or Denver pre-GSA.

Transparent pricing guarantee

We've always offered transparent pricing, but now we've put it in writing.

GWB 10.0 release is better, easier, faster!

Our major upgrade features colloid-facilitated transport, a central dashboard, undo-redo in GSS, a thermo data editor, MATLAB bindings, axisymmetric coordinates, turbo scripting and much more. And it's Windows 8.1 friendly. Upgrade now!

Annual licensing option

Annual licenses offer low initial cost, and you never pay for an upgrade.

Upgrade to annual and save!

Take 70% off the first year when you convert GWB9 to a GWB10 annual license. Contact


Free Student Edition

University students may be eligible to apply for the free GWB Student Edition.

Fluid mixing wizard!

Mix any number of samples in GSS in any proportions with SmartMix wizard.

Training at your site

2-day on-site courses are effective, efficient, and fun. We will present either of two short courses for as little as $4000.

Laptop licenses for university classes

For $200, up to 20 students can install the GWB on their laptops. Details.

We're live on Youtube

Check out the many tips and techniques on our Youtube channel.

ChemPlugin.ORG launches

New consortium dedicated to turning flow models into reactive transport simulators quickly, simply, and reliably.

Software update

Update to GWB 10.0.5 for latest fixes and improvements.