The best things in life are free
The best things in life are free
The GWB software is fantastic! It is comprehensive and flexible, the two main things I look for.
—Abby M., Horizons Regional Council, New Zealand
GWB Workshops
Got it, downloaded it, and made an activity diagram. Thanks for making a great product!
—Megan E. M., Univ. of Oklahoma
Instructor-led hands-on workshops
Prior to the course I found the program daunting, but now I feel comfortable using it and am very impressed with what I can do.
—Ashlee D., Penn State University

GWB Community Edition is free!
GWB Community is the free modeling and diagramming toolset for aqueous chemists. Download now!

Student Edition is now GWB Community
The same software you loved, but available to the entire aqueous chemistry community.

Instructor-led and self-paced training
Take part in a hands-on Virtual Retreat or learn at your own speed at the free GWB Online Academy.

Need to model kinetic reactions, microbial processes, or reactive transport? Subscribe to a paid version of the GWB.