Google Publisher Tag (GPT) is an ad tagging library with which you can dynamically build ad requests. GPT takes key details from you such as ad unit name, ad size, and custom targeting, builds the request, and displays the ad on web pages or mobile apps.
Histats.com, free web stats and stat counter, hit counter, free web tracker and tracking tools, stats counter.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.