| Programming Languages | An intersting and simple overwiew on the most important programming languages currently in use. Also the homepage is very useful. |
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| Operating System Technical Overview | A complete website which explain the differences between various operating systems, some of them currently in use and some of them not. |
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| Well-known ports | A complete list of the well-known ports used by TCP/IP and UDP/IP stacks. |
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| GNU Privacy Guard | Official website of GPG. |
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| Linux Command Directory | A complete list of Linux Shell Commands. |
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| Matlab Summary and Tutorial | A tutorial of Matlab (MATrix LABoratory). |
Copyright (C) Lorenzo Castiglioni, 2005