Ludicorp - Technology that Matters Flickr's technology is powered by a wide range of open source tools: Red Hat Linux, Apache Web server, MySQL databases, PHP, Perl, Smarty templates, Postfix mail gateways, and even ImageMagick to manipulate the uploaded images.

The use of open source tools saved lot's of development time and the good thing about it is that Flicker can give this back by offering free high quality online photo services.

On top of all they built dynamic web interfaces based on the latest JavaScript and XMLHttpRequest object technology which allows to make HTTP requests without the user experiencing any visual interruptions.

270,000 users, four million photos, 30 percent monthly growth in users, and 50 percent monthly growth in photos (source o'reilley network) spangle Flickr brought to you by Ludicorp to get the attention of Google and Yahoo! as multi-access-groupeware that matters (-:  ¶ 'Ludicorp - Technology that Matters' posted by eA : 1:40 PM