Programs for Programmers

Trial Software

Looking to try before you buy? Here are links to the trial and demo versions for the software we sell, and to our software which is free under certain conditions, all in one place for your convenience. Please note that, as our software comes from a wide range of third parties, the terms and conditions vary, and you may have to register separately for many of the products.

Fortran Compilers

Absoft compilers - Trial versions for Windows, Linux and Mac are available here. Licenses are valid for 30 days, except for the Fx3 debugger which is 15 days. You will need to use an email address which isn't from a free email domain.

Intel compilers - Free Trial available for a wide range of Intel compilers. 30 day evaluation versions. In order to install and use the Intel® Visual Fortran Composer XE for Windows* product, you must have already installed a suitable Microsoft Visual Studio.  If you do not already have a suitable Visual Studio installed, you may download a free trial version of Microsoft Visual Studio from Microsoft. This will allow for full functionality of the product during your evaluation. If, at the end of evaluation, you choose to purchase Intel Visual Fortran Composer XE for Windows, the purchased product includes Microsoft Visual Studio Shell and Libraries, allowing development of Fortran applications without requiring a separate purchase of Visual Studio.

Lahey compilers - Trial versions for Windows and 64 bit Linux are available here. Licenses are valid for 14 days.

Portland (PGI) compilers - Download a free 15 day trial of PGI Visual Fortran Standard Edition, or you can request a 15 day trial of PVF Workstation Complete with the Visual Studio IDE by completing the PVF Evaluation Request Form.

Silverfrost FTN95 - Fortran for Windows is now available free for personal and evaluation use. To try the compiler click here.

Fortran Graphics / GUI

Gino - Download an evaluation version. The evaluation license key is valid for 30 days.

Winteracter - Download a free Winteracter demo which provides a concise illustration of most Winteracter features, or  evaluate Winteracter for 1 month with selected Win32 Fortran compilers. We recommend looking at the demo first.

Fortran Tools

Intel Performance tools - Free Trial available for a wide range of Intel Performance tools. 30 day evaluation versions.

plusFORT - plusFORT Evaluation for Windows/Linux/MAC OSX is a restricted-function download for single-user evaluation use.

PLS License System - Download a demonstration version.

qtXLS - You can download an evaluation copy of qtXLS (software and documentation in PDF format (2)). The software is limited in function (1). Size of the download file approx. 4 MB
(1) The evaluation copy allows to import and export of rows limited to 50 rows of a single table (sheet). Upon start of a program based on qtXLS there will be a message informing about this limitation.
(2) The Adobe Acrobat Reader (to read documents in PDF format) is to be found here.


Intel compilers - Free Trial available for a wide range of Intel compilers. 30 day evaluation versions.


Fx3 Absoft debugger - 15 day evaluation version of the Graphical Debugger for Linux or MacOS/Intel.


Ed for Windows - Try ED for yourself, with a 30 day free trial.

UltraEdit - You can try the Windows version here, or the new Linux and Mac versions here. Trial licences are valid for 30 days.

Maths Tools

Intel Maths Kernel LibraryFree Trial available. 30 day evaluation version.

LGO - download an interactive demo of the LGO Solver Suite for Global/Local Optimization here.

TurboCalc - view a "How it Works" demonstration here, or a demonstration of examples here.

Data Visualisation

DTMM - Download a free trial version. 30 day evaluation version.

IRIS Explorer - Download the interactive DEMO (1.5Mb) of IRIS Explorer