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Maxima is a fairly complete computer algebra system written in lisp with an emphasis on symbolic computation. It is based on DOE-MACSYMA and licensed under the GPL. Its abilities include symbolic integration, 3D plotting, and an ODE solver.

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.

... Find the best MySQL, PostgreSQL and Oracle administration and development software you

GFI offer fax server solution, email anti-virus and anti-spam software for Microsoft Exchange and email servers; Network security and monitoring tools; event log monitoring solutions for Windows NT/2000/2003.

With thousands of customers in more than 75 countries, Articulate is the recognized leader in rapid e-learning software and e-learning authoring tools.

Digital Photography Review: All the latest digital camera reviews and digital imaging news. Lively discussion forums. Vast samples galleries and the largest database of digital camera specifications.

At Fujifilm we are working in many areas — from digital cameras to motion picture film, and computer media to medical imaging — to bring you better products, solve difficult problems and protect our planet

The Wacom Customer Care and Support Center is full of resources and video tutorials to help you get the most out of your Wacom tablet.

Audit websites and web applications with Acunetix Web Vulnerability Scanner and check for Cross Site Scripting, SQL Injection and other web vulnerabilities.