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Overview
GWB 2025 is here!
The features you’ve been waiting for; Check out what's new
Software overview
Spreadsheets, diagrams, kinetics, microbes, reactive transport, and so much more
Users and uses
Not just for Geochemists! The GWB is the essential toolkit for scientists and engineers
Diagrams
Just a few clicks produce publication-quality diagrams — Visit our gallery of examples
Movies
Quality animations of your reactive transport models are just a few clicks away
Products
Professional
The complete toolkit, including phase diagrams, reactive transport, and ChemPlugin
Standard
Your choice for multicomponent reaction modeling, kinetics, and microbial reactions
Essentials
A powerhouse at a budget price! Spreadsheets, diagrams, speciation, thermo editor, and more
Compare
Size up Professional, Standard, Essentials, and Community versions, side-by-side
Timeline
An informative timeline shows how the GWB has developed over the last twenty years
ChemPlugin
The ChemPlugin self-linking software object lets you create reactive transport models quickly, simply, and reliably
Ordering
Order online
Purchase with a credit card or electronic check and you will be up and running in minutes
Special offers
Check out time-limited special offers available at this time
How to order
We are glad to accept your purchase order! Or pay by credit card or electronic check
Pricing
Subscription prices for GWB Professional, Standard, and Essentials
Floating licenses
A network floating license serves any number of users and saves money
Academic
University users may qualify for class laptop licenses and an academic discount
Support
Overview
Support options include our Online Academy, videos, tutorials, and more. Or visit our Forum
Installation
Need assistance installing the GWB? Help is at hand!
Floating installation
Configure a server so users can check out seats of a floating license
Forum
Browse hundreds of discussions, query the GWB community, or post technical questions
FAQ
Answers to the questions most commonly posed by the user community
Plug-in
Plug the GWB into your C++, Fortran, or Python client program
Drag and drop
You can drag files into any GWB app, or drag data from one app to another
Instruction
Overview
We offer online workshops, private training, and resources for self-study
Workshops
We teach our famous workshops online and at vibrant locations around the world!
Training
We come to you! If you have several trainees, save money with a private online course
GWB Academy
Self-guided training and free lesson plans for teachers!
Tutorials
Our online tutorials lead you step-by-step through a variety of calculations
YouTube
Watch expert modelers using the GWB to solve common problems in geochemistry
Video tutorials
Learn to create your own GWB video tutorials
Download
Overview
You can download thermo datasets, User’s Guides, updates, and more
GWB Community
Download the Community Edition, a
free
set of advanced tools for aqueous chemists!
Demo
Request a full-featured demo of The Geochemist’s Workbench or ChemPlugin SDK
Updates
If you have disabled auto-updates, here's how to download GWB maintenance releases
Documentation
Download the six-volume GWB User’s Guides complete with cover art in pdf format
Thermo data
Thermodynamic datasets distributed with the GWB; links to datasets distributed by others
Font
The "GWB Symbol" TrueType font is designed to mark data points accurately
Contact
Contact info
Our email contacts, telephone number, and location of our offices in Champaign, Illinois
GWB Community
Download the Community Edition, a
free
set of advanced tools for aqueous chemists!
Requests
Quickest way to ask for a quote, get a demo copy, arrange training, or suggest a feature
Subscribe
Subscribe to our email distribution list to receive the latest updates, or unsubscribe from it
GWB.com
GWB.com
The Geochemist’s Workbench® home page — The premier toolset for aqueous chemists!
community.GWB.com
Advanced tools for aqueous chemists,
for free
. Visit the GWB Community Edition website!
academy.GWB.com
Self-guided training and free lesson plans for teachers at the GWB Online Academy!
chemplugin.GWB.com
ChemPlugin™ instances self-link into reactive transport simulators. Visit ChemPlugin's website!
The premier toolset for aqueous chemists
Special offers
We're sorry, no offers are currently available. Please check back often for new offers.
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