This post originally appeared on the American Express OPEN Forum , where Mashable regularly contributes articles about leveraging social media and technology in small business.

Web apps are a friend to all who mash the keyboard from nine to five. They live in the cloud, are accessible from any Internet connection and are great for chopping those mundane work tasks off at the knees.

We've previously highlighted a batch of web apps that reduce the headaches and keystrokes associated with common tech chores, and after receiving some great feedback from readers, we thought it only right to hunt down a few more worthy bookmarkables.

See below for five more picks, and remember to leave your own time-saving web ditties in the comments.

5 More Handy Web Apps to Save You Time at Work

If you aren't fist pumping at your desk right now over these life-changing websites, there's probably little hope for you. Did we miss one that you can't get through the day without? Share and share alike in the comments below.

Image courtesy of iStockphoto, kemie