Eventer - PHP jQuery Interactive Events Calendar
It can be integrated into any existing php page quick and fast as you just have to browse a specific page in the browser, input some values and everything will be setup for you. It also includes a simple yet powerful admin panel to let you add, edit and delete events. Salient features of Eventer include: 2 color options – Light and Dark Unlimited events support Repeat Events (can be turned off) Choose between USA and UK date formats Highly Customizable Can be used with any language as the calendar options via admin panel allow you to change week and month names Comes with easy to use admin panel for managing your events data Set various options via admin panel Monthly navigation Well documented (see documentation here) You get full source code including the admin panel