The SAP name has been synonymous with state-of-the-art analytical methods since its introduction over 30 years ago. SAP2000 follows in the same tradition featuring a very sophisticated, intuitive and versatile user...

Surfer is a powerful contouring, gridding, & 3D surface mapping package which accurately converts data into outstanding, presentation-ready maps.

Veusz is a GUI scientific plotting and graphing package. It is designed to produce publication-ready Postscript or PDF output. SVG, EMF and bitmap export formats are also supported. The program runs under Unix/Linux,...

Halcrow have developed ISIS Free so that it offers an integrated 1D and 2D modelling software package. ISIS Free has all the same features as ISIS Professional and ISIS 2D which enable you to confidently apply it to...

SOBEK is a powerful modelling suite for flood forecasting, optimisation of drainage systems, control of irrigation systems, sewer overflow design, river morphology, salt intrusion and surface water quality. The...

Hydrus-1D is a public domain Windows-based modeling environment for analysis of water flow and solute transport in variably saturated porous media. The software package includes the one-dimensional finite element model...

In order to support environmental scientists in finding an «adequate» model of the system they are investigating, a computer program is necessary, which allows its users to perform simulations using different...

MIKE 11 is synonymous with top quality river modelling covering more application areas than any other river modelling package. Typical MIKE 11 applications: Flood analysis and flood alleviation design...

BioWin is a Microsoft Windows-based simulator used world-wide in the analysis and design of wastewater treatment plants. The figure below shows an example of a nutrient removal system configuration set up in BioWin....

HEC-RAS is designed to perform one-dimensional hydraulic calculations for a full network of natural and constructed channels. The following is a description of the major capabilities of HEC-RAS. The program is not...

Developed by EPA's Water Supply and Water Resources Division, EPANET is software that models water distribution piping systems. It is a Windows 95/98/NT/XP program that performs extended-period simulation of the...

EPA's Storm Water Management Model (SWMM) was first developed in 1971, and has since undergone several major upgrades. It continues to be widely used throughout the world for planning, analysis and design related to...

The Google+ project aims to make sharing on the web more like sharing in real life. Sharing is a huge part of the web, a part that Google+ makes a lot simpler with these features: - Circles makes it easy to put your...

TablEdit is a program for creating, editing, printing and listening to tablature and sheet music (standard notation) for guitar and other fretted, stringed instruments, including mandolin and bass. Additionally,...

LinkedIn is a business-oriented social networking site. Founded in December 2002 and launched in May 2003, it is mainly used for professional networking. As of 8 April 2010 (2010 -04-08), LinkedIn had more than 65...

Python is an interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free and comprehensively ported.

AlternativeTo let you find new Windows, Mac, Linux, online and mobile software based on applications you already know instead of useless categories. AlternativeTo is a new approach to finding good software. Tell us what...

Ubuntu is a community developed, Linux-based operating system that is perfect for laptops, desktops and servers. It contains all the applications you need - a web browser, presentation, document and spreadsheet...

Media Player Classic Home Cinema is a free audio and video player for Windows. This project is based on the original "Media Player Classic" and was created after Gabest, the original author, stopped working...

Bricscad integrates intelligent 3D direct modeling with the familiar 2D feature set of native .dwg. The user interface allows you to model and design with unmatched speed. It supports hundreds of third party...

Guitar Pro is first and foremost a program designed to edit tablatures for guitar, bass, and other fretted instruments from 4 to 8 strings. Its great ease of use and the success of its specific file format have made...

SketchUp (formerly Google SketchUp) is a program that lets you do all types of 3D drawings. Imagine that you’ve bought a house and need to furnish it. Well, with this program you can see it in virtual form and three...

Fast and compact image viewer/converter trying to be simple for beginners and powerful for professionals. Many supported file formats and features. Features included: multi-language support, Thumbnail option, Painting,...

Sage is a free open-source mathematics software system licensed under the GPL. It combines the power of many existing open-source packages into a common Python-based interface. Mission: Creating a viable free open...

Audacity is free, open source software for recording and editing sounds. You can use Audacity to record live audio, convert tapes and records, edit sound files, change the speed or pitch of a recording and much more.