GEO-SLOPE International Ltd. - CAD software for geotechnical and geo-environmental modelling

Program for Incremental Stress Analysis - Program developed for analyzing the deformation of geotechnical structures . Includes program description and a downloadable demonstration.

Geospec II - Design software for the specification of prefabricated vertical drains, featuring automatic calculation of spacing requirements for wick drain installation. From Nilex, Inc.

Data Surge Corp - USA. Developers of geotechnical software applications for professional engineers and geotechnical engineering students. On-line, limited versions of programs.

Slope Stability Analysis Software - Software program for the general solution of slope stability problems, featuring the analysis of reinforced soil slopes with geosynthetics, nailing and tiebacks. Developed by the School of Civil Engineering in the Purdue University, USA.

ADAMA Engineering, Inc - USA. Developers of software for geotechnical engineering. Programs for the design of grid reinforced slopes, block and earth walls, and geotubing. Product brochures on PDF files. Requires Acrobat Reader.

Geotextile and Geosynthetics Calculation Programs - Computer programs for the selection of appropriate geotextiles and geosynthetics, and spacing requirements in the design of soil filtration projects and slope reinforcement, and for engineering calculations associated with segmental retaining walls. In Zip format. Provided by T.C. Mirafi.

Geosolve - UK. Developers and distributors of geotechnical analysis and design software for retaining and gravity walls, slope stability and reinforced soils. Password protected download area.

Geocomp Corp - USA. Developers of software and hardware data acquisition systems for acquiring, manipulating and reporting of test data in soils laboratories, and automated systems for the control of all phases of geotechnical testing. Links to related sites.

Erosion Control Materials Design Software - Computer-assisted selection of materials for slope erosion protection and channel scour resistance, for engineers, designers and contractors in the erosion and sediment control industry.

Geotechnical and Geoenvironmental Software Directory - A directory of programs, software publishers and suppliers in the fields of geotechnical, geoenvironmental and environmental engineering; hydrogeology, geology, geoscience, data analysis and data visualisation.

Geotechnical Computer Applications - USA. Software for subsurface investigation, facilitating generation of reports and analysis of subsurface data. Sample reports. Downloadable demo. Pricing information.

TAGAsoft, Ltd - USA. Developers of software programs for slope stability, consolidation, finite elements, seismatic analysis, pile groups and foundation design. Articles and bookstore. On-line calculators.

Excelsior Erosion Works - Windows based software program for erosion control analysis and design. Free download. From American Excelsior Co., USA.

Scientific Software Group - Supply a range of geotechnical software. Product overviews, detailed descriptions, and FAQs .