Whether it's running a small business or managing your personal calendar, online calendar tools help you build and plan out the numerous plans and commitments necessary to keep everything on track. In a fast-paced society, plans are constantly changing. Meetings are rearranged, lunches are rescheduled, and events classes are canceled. As opposed to scratching out or erasing plans in the heavy paper planner that weighs down your purse or briefcase, consider a digital calendar tool. E-calendars provide for simple switches and no scratch-outs, and allow you to share your plans with friends and family. Below is a list of the top calendar tools with free solutions for your business