Think of the full version of NoodleTools as a citation management tool on steroids. It is a complete research-management system.
NoodleTools will help you:
What is the Difference Between NoodleTools and NoodleTools Express?
You can use NoodleTools Express when you just need to create one or two quick citations. There's no need to log in -- simply create citations using the form in NoodleTools Express then copy and paste what you need into your paper.