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


Free Student Edition

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

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 friendly. Upgrade now!

GWB short courses

Learn from the pros! Join us inVancouver pre-GSA, Philadelphia, Champaign, Prague pre-Goldschmidt, or Yokohama.

Annual license option

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

Upgrade to annual and save!

Take 50% off the first year when you convert GWB9 to a GWB10 annual license. Contact


We're live on Youtube!

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

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.

Software update

Update to GWB 10.0.3 for latest fixes and improvements.