FEATURESCan handle billion of records (seperated database table structure)CAPTCHA (image) verification (configurable)Can run with or without mod_rewrite module (configurable)Can handle urls with or without http:// prefixDuplicate URL record handlingURL prunning/cleaning via cron-job (configurable)Very easy installationSimple administration for record deletionValid XHTML 1.0 Strict and valid CSS coded* REQUIREMENTSPHP 4 or abovePHP image/gd module (optional for CAPTCHA support)MySQL 4 or aboveApache web servermod_rewrite (optional)Open Source! (GPL) and can accept unlimited users, accounts, and data.