Appointment Scheduling

Few different projects put togeather in single post for simplicity; provide your bid separately for each of them : (1)appointment scheduling system: Need a web appointment scheduling system that has capability to manage schedules for multiple uses as well as single user. Only serious service provider should respond. (2) Reminder system: Need a web based reminder system that can be easily integrated into existing website. Should offer to pick reminder date, name, description. (3) Need a template for Mambo CMS (4) Need a AJAX expert for various tasks (5) Need PHP developer to create/modify product load script