Wolfram Research, makers of Mathematica, the only fully integrated technical computing software.
Wolfram|Alpha is more than a search engine. It gives you access to the world's facts and data and calculates answers across a range of topics, including science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music...
Free articles on all aspects of Mathematica. For users at all levels of proficiency to use Mathematica more effectively. News about products and events.
Debian is an operating system and a distribution of Free Software. It is maintained and updated through the work of many users who volunteer their time and effort.
http://www.ubuntu.com > lp
archive.ubuntu.com | releases.ubuntu.com | cdimages.ubuntu.com
Ubuntu is an open source software platform that runs everywhere from the smartphone, the tablet and the PC to the server and the cloud.
GCC, the GNU Compiler Collection
The GNU Compiler Collection includes front ends for C, C++, Objective-C, Fortran, Java, Ada, and Go, as well as libraries for these languages (libstdc++, libgcj,...).
Intel C++, Fortran for Linux
Intel(R) Developer Zone: Free Software Tools supporting qualified students, educators, academic researchers and open source contributors.
Qt is a C++ cross-platform development framework for application, UI & device creation. Reuse code & target 14+ desktop, embedded & mobile platforms for the fastest ROI while obtaining high application performance.
Boost provides free peer-reviewed portable C++ source libraries. One of the most highly regarded and expertly designed C++ library projects in the world.
GiNaC is a C++ library. It is designed to allow the creation of integrated systems that embed symbolic manipulations together with more established areas of computer science (like computation- intense numeric applications, graphical interfaces, etc.) under one roof. It is distributed under the terms and conditions of the GNU general public license (GPL).
LaTeX is a high-quality typesetting system; it includes features designed for the production of technical and scientific documentation.
The Perl Programming Language at Perl.org. Links and other helpful resources for new and experienced Perl programmers.
Home page for Python, an interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free and comprehensively ported.