Compare versions
Which version of the GWB 2025 is right for you? The chart below shows the programs and features included with each:
| Program | Professional | Standard | Essentials | Community | |
|---|---|---|---|---|---|
| Program | Pro | Std | Ess | Comm | |
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GSS is a spreadsheet for manipulating and plotting geochemical datasets | ||||
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Rxn balances chemical reactions, calculates equilibrium constants, and more | ||||
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Act2 generates stability diagrams on activity, Eh, pe, pH, and fugacity axes | ||||
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Tact makes temperature-activity and temperature-fugacity diagrams | ||||
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SpecE8 figures concentrations of aqueous and sorbed species, saturation, and gas fugacity | ||||
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Gtplot displays data from GSS and the results of running SpecE8 and React | ||||
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TEdit is a graphical application for quickly and accurately editing and combining thermodynamic datasets | ||||
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React traces reaction paths involving fluids, minerals, gases, and microbes | ||||
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Phase2 computes phase diagrams, "true" speciation maps, and more | ||||
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P2plot renders diagrams computed by Phase2, and plots cross-sections through them | ||||
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X1t models reactive transport in groundwater flows in one linear, radial, or spherical coordinate | ||||
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X2t simulates reactive transport in two dimensions, including injecting and producing wells | ||||
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Xtplot renders and animates the results of X1t and X2t simulations | ||||
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ChemPlugin self-linking software object lets you create reactive transport simulators in any configuration | ||||
| Feature | Professional | Standard | Essentials | Community |
|---|---|---|---|---|
| Feature | Pro | Std | Ess | Comm |
| End User License Agreement (EULA) | Commercial/ Institutional/ Academic |
Commercial/ Institutional/ Academic |
Commercial/ Institutional/ Academic |
Personal |
| Spreadsheet for geochemical data | ||||
| Convert chemical units | ||||
| Time series, cross, and ternary plots | ||||
| Piper, Stiff, Durov, Schoeller diagrams | ||||
| Configure Stiff, Schoeller, and Radial diagrams from user interface | ||||
| Multiple Stiff, Schoeller, Radial, Bar, and Pie plots per page | ||||
| Show TDS as circles of varying radius on Piper, other plots | ||||
| Ion balance bar and pie charts | ||||
| Plots update in real time as you edit a datasheet | ||||
| Flag non-compliance | ||||
| Evaluate equations within datasheets | ||||
| Calculate mineral saturation and gas fugacity | ||||
| Mix samples | ||||
| Compare replicates and check standards | ||||
| Calculate redox state | ||||
| Check charge balance | ||||
| Compute TDS | ||||
| Eh-pH, activity, and fugacity diagrams | ||||
| Temperature-activity and temperature-fugacity diagrams | ||||
| Solubility diagrams | ||||
| Mosaic (ligand speciation) diagrams | ||||
| Hover to see reactions, assemblages | ||||
| Calculate species’ concentration and activity coefficients | ||||
| Redox equilibrium and disequilibrium | ||||
| Use “Pitzer equations” to compute activity coefficients | ||||
| Evaluate “Pitzer equations” at high temperature | ||||
| Activity coefficients by the SIT method | ||||
| Sorption by Kd, Freundlich, and Langmuir models | ||||
| Ion exchange | ||||
| Two-layer and 1-pKa surface complexation | ||||
| Triple-layer and CD-MUSIC surface chemistry | ||||
| Polydentate surface complexes | ||||
| Ideal, site-mixing, Guggenheim, regular, and cubic and third-order Maclaurin solid solutions | ||||
| Mixing parameters for solid solutions vary with temperature | ||||
| Stable isotope fractionation | ||||
| Calculate electrical conductivity by USGS and APHA methods | ||||
| Gas and mineral buffering; pH-stat | ||||
| Partial pressure model | ||||
| Vapor phase composed of nonideal gas mixture | ||||
| Balance chemical reactions | ||||
| Compute equilibrium constants (log Ks) at temperature | ||||
| Derive equilibrium equations, temperatures | ||||
| Set line colors individually on x-y plots | ||||
| Paste graphs into Word, PowerPoint, Excel, Adobe Illustrator | ||||
| Choose 32 bit or even faster 64 bit version | ||||
| Edit and combine thermodynamic datasets | ||||
| Change redox coupling in thermo datasets | ||||
| Import thermo datasets from PhreeqC | ||||
| Import and export Visual MINTEQ thermo databases | ||||
| Import and export EQ3/EQ6 thermo databases | ||||
| Create and edit datasets of surface reactions | ||||
| Extract reactions, data from databases as CSV files | ||||
| Flexible redox pivoting in thermodynamic datasets | ||||
| Dashboard keeps all your tools in one place | ||||
| Save graphics as eps, pdf, ai, png, emf, svg, and bmp files | ||||
| Plug-in to other programs | ||||
| Control scripts and batch processing | ||||
| Edit thermo and surface datasets in legacy formats | ||||
| Allow automatic maintenance updates | ||||
| Model water-rock interaction | ||||
| Simulate fluid mixing | ||||
| Speciation diagrams vs. pH, etc. | ||||
| Closed and open chemical systems | ||||
| Polythermal simulations | ||||
| Fixed and sliding activity, fugacity | ||||
| Boiling and condensation | ||||
| Combine equilibrium and kinetic reactions | ||||
| Kinetics of mineral precipitation and dissolution | ||||
| Aqueous complexation and dissociation kinetics | ||||
| Sorption and desorption kinetics | ||||
| Kinetics of redox transformation | ||||
| Enzymes and catalysts | ||||
| Gas transfer kinetics | ||||
| Microbial catalysis and growth | ||||
| Mixed microbial communities | ||||
| Thermodynamic constraint on microbial metabolism | ||||
| Specify form of kinetic rate laws | ||||
| Chain together kinetic reaction paths | ||||
| Turbo scripting speeds rate law evaluation | ||||
| Transient medium and fluid properties | ||||
| Account for heat sources and sinks | ||||
| Report factors limiting time steps | ||||
| Paste any plot into Excel as numerical data | ||||
| Compute phase and "true" speciation diagrams | ||||
| Reactive and bioreactive transport | ||||
| Multithreaded (parallel execution on multicore chips) | ||||
| Advection, dispersion, and diffusion | ||||
| Uniform or heterogeneous medium | ||||
| Dual porosity (stagnant zones) | ||||
| Advective and conductive heat transfer | ||||
| Colloidal transport | ||||
| Stable isotope transport | ||||
| Any number of boundary, injection fluids | ||||
| Unlimited number of reaction intervals | ||||
| Turn wells off and on, vary pumping rates | ||||
| Recirculation wells | ||||
| Import flow fields | ||||
| Linear, radial, and spherical coordinates in 1-D | ||||
| Rectilinear and axisymmetric coordinates in 2-D | ||||
| Regular and adaptive grids | ||||
| Map view, color mask, and contour plots | ||||
| Animation and output for video | ||||
| Quick video output to compact frame images |