Office 2.0 - LiquidPlanner: Online Project Management

From ReadWriteWeb - more Office 2.0 LiquidPlanner Offers Online Project Management:

Add this one to your web office toolkit - LiquidPlanner is an online, hosted project management tool that lets you access and update projects anywhere you have an internet connection. The service offers you and your team a complete project environment, social networking and collaboration features, and a probabilistic scheduling engine which tells you the probability of completing each task - and ultimately the entire project – by a certain date. With everything organized into a centralized dashboard that can be customized for each team member, everyone on your team can stay focused on their tasks and how they relate to the project as a whole.

LiquidPlanner's three main areas of focus are task management, scheduling, and collaboration, all of which combined help you estimate your timelines and update progress on a project in a way that is customized for you.
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Liquid Planner is free during its beta period, which is occurring now. Afterwards, it will remain free for a single users, but teams of two or more will need to pay a monthly subscription fee.