RememberTheMilk.com
For those looking to keep track of what you are doing, but don’t have a PDA or a notebook, this is a free online solution for you. RememberTheMilk.com does a fantastic job of keeping things simple yet very very useful. You can organize your to-do list and even send items to your list via email. This application is still new, so just imagine how good it will be once it starts maturing. They are using the ever-so-popular AJAX combination to provide a seamless interface.
