Below are the list of skills that i know. - core PHP - codeigniter - CakePHP - Yii - MYSQL - MongoDB - SPHINX Search - NuSoap - Webservice using Nusoap - APIs - XML - AJAX - JQuery programming development - Crawling & Parsing - ReGex(Regular expression) - Data Scraping Script - Datatable - JQuery - FFMPEG (video and audio converter that can also grab from a live audio/video source) etc.