Office Tools

Approver - Create documents and then invite colleagues to view them and provide feedback; you receive an alert whenever the document is edited.
Docly - An online word processor that has built-in copyright protection, and lets you set a price for others to purchase your work.
BuzzWord - Buzzword is a new full-featured online word processor.
GreenDOC - A simple online text editor with an environmental slant.
iNetWord - Another full-featured online word processor.
SmartSheet - Combination spreadsheet, email and file sharing platform with task assignment, history tracking, and more.
Solodox - Collaborative document creation and editing as well as project management.
Writeboard - Sharable web-based text documents that allow you to roll back to previous edits and compare changes.
writewith - Group writing online that also features chat, task assignment and tracking.
xcellery - Allows multiple people to edit the same Excel file simultaneously for free.
YourDraft - An online word processor that allows you to create and share drafts without the need for registration.
Organization & Management

FlowChart - Create flowcharts online with no software or plugins to install.
foldera - Create, organize, and share your documents from anywhere, anytime.
FunctionFox - Time and project tracking for creative professionals.
My Milemarker - Keep track of your mileage by telling them whenever you fuel up your car. You can also input your data from your phone of with Twitter.
sendPO - Purchase order tracking for any accounting system that provides confirmation that your PO was received.
Side Job Track - Job tracking, invoicing, project management and reporting that’s completely web-based and made specifically for part-time independent contractors.
Skemma - Business Process Management tool that allows companies to automate communications between departments and others, along with other tools.