Backpack www.backpackit.com (Web)
Backpack is more than a to-do list site. Your fi ve easy-to-update pages send reminders via e-mail or SMS and include a whiteboard for online collaboration.
EssentialPIM Free www.essentialpim.com (Windows)
Imagine taking the e-mail out of Microsoft Outlook to get a killer personal information manager (PIM). That’s what EssentialPIM is all about.
Google Calendar calendar.google.com (Web | Mobile)
Featuring seamless integration with other Google products, sharing capabilities, and SMS reminders, this Web app does for calendars what Google did for search.
Lightning www.mozilla.org/projects/calendar/lightning (Windows | MacOS | Linux)
To be more like Microsoft Outlook, Thunderbird needs a calendar. Lightning provides that, plus a to-do list. It can even sync with Google Calendar.
Power Calculator www.microsoft.com/windowsxp/downloads/powertoys/xppowertoys.mspx (Windows)
This XP-only PowerToy replaces the lame Windows calculator with a mathematical powerhouse.
Remember The Milk www.rememberthemilk.com (Web | Mobile)
Never forget another grocery item, or anything else, using this extensible online task manager. It’ll send reminders via e-mail, SMS, and IM.
Sunbird www.mozilla.org/projects/calendar/sunbird (Windows | MacOS | Linux)
Sunbird is Mozilla’s standalone calendar for tracking events and upcoming tasks. It’s a sister to Lightning, which adds the same functions to Thunderbird.
30 Boxes www.30boxes.com (Web)
One of the best-looking online calendars, 30 Boxes features easy-to-grasp pop-ups for adding events and viewing schedule details.
Yahoo! Calendar calendar.yahoo.com (Web)
Track your schedule and share it with friends, then sync your calendar with Outlook or your phone. It’s a great place to back up a handheld.