Weather Underground is one of the international providers of worldwide weather information. And almost all the weather information they provide does apply to the weather as we experience it ‘above ground’. No clue why they call themselves ‘underground’, other than that they also provide some information on earthquakes. There are various apps forĀ  mobile phones…

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Buienradar NL is a Netherlands weather service which also provides good data on European and global weather. In addition their site has a nice collection of weather photos. Besides offering apps for Windows, iOS and for mobile phones, they provide free widgets (see the menu item ‘Buienradar op jouw website’ at their page footer) that…

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HetWeer.NL is another Netherlands weather site providing weather information, weather photos, and widgets for your website (‘gadgets voor je website’) such as: meer weer More information: http://www.hetweer.nl/

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Drupal content management system is the third most popular content management system driving the Internet. It is considered to be technically the most brilliant but that is mostly due to behind the scenes technology. It is also considered to have enterprise level security. Under the Obama administration it was selected to power the White House…

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MediaWiki is probably best known through it’s use as software driving WikiPedia, the on line, collaborative ‘encyclopedia’. It is in fact a content management system, but focused very much on knowledge content and interlinking between bits of knowledge and less on flashy presentation with lots of images. There are various other implementation of the concepts…

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Gimp, the GNU Image Manipulation Program, started out under the Unix derivatives as an excellent, open-source and free, program for similarly working with graphical media (drawing, painting, cropping, adjusting colors, etc). It is included in the repositories for all major Linux distributions. Gimp is also available for Windows. So if you want to do some…

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The renewed website of Perspektivo website is online. After 1 years of dependable service it was time to upgrade the software again. In particular a clearer distinction has been introduced between Perspektivo and Perspektivo-Aerfoto. The new software provides more capabilities for Perspektivo. For example it will be possible to offer e-learning modules, but also to…

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