Project Management and Organization: Great tools to manage your project

These resources will help you stay organised and manage those projects and clients
Proposal Kit - Proposal and contract management tools
Ta-Da Lists - a simple (free!) to-do list application that can be shared with the world
Backpack - Service that integrates to-do lists, notes, files, images, and a calendar with reminders that can be sent to your email or cell
Writeboard - Sharable, web-based text documents that save edits, so you can collaborate, roll back and compare
ConceptShare - Share designs and get feedback with visual annotation tools
Wridea - Free tool for writers focusing on idea generation
GoPlan - Note-taking, calendaring, task management, issue tracking, file management and online real-time chat
Toodledo - Another web based to-do list
ActiveCollab - Open source collaboration and project management tool
MonkeyOn - Your to-do list for things that you want other people to do
Remember The Milk - Another To-Do List manager