Download trial versions of our products:

From this page, you can download and try out all our software products FREE of charge. The trial versions have all the features and functionality of the standard versions, but the problem capacities have been limited. These trial versions allow you to set up and solve small problems, become familiar with the software and all of its features, and make sure you make the right choice.

Download What'sBest!
What'sBest! lets you build linear, nonlinear, and integer models in Excel. Models are easy to build and understanding standard spreadsheet equations. Excel users can often begin building models within minutes of installing the What'sBest! program, and the problem capacities of the larger What'sBest! versions allow large scale, real world problems to be solved.

Download LINGO
LINGO is a comprehensive tool designed to help you build and solve linear, nonlinear, and integer optimization models quickly, easily, and efficiently. LINGO includes a powerful modeling language, a full-featured environment for building and editing problems, the ability to read and write to Excel and databases, and a set of fast built-in solvers.

Download LINDO API

Download Classic LINDO
Classic LINDO's simple interface and straightforward model expression style make it easy to learn and use. Classic LINDO is appropriate for building and solving moderately sized linear and integer models.

Trial Version Capacities:

LINGO Documentation:

Click here to download Optimization Modeling with LINGO by Linus Schrage.

User Manuals:

Click here to download our User Manuals in PDF format.