Hacker favourite Website

This thread needs ur contribution

please add in the cool sites which u know

lemme start

• http://www.mess.be/ / / mess up wid msn messenger

• www.hackthissite.org

• http://www.filehippo.com/ // all file downloads

• http://www.subnetmask.info/ // network checking site

• http://pickit.uni.cc/windows_1_0_3.php // windows First release ever installation video

• www.Zamzar.com // convert file formats FREE