NoteStar is an Internet utility to assist in the preparation of research papers. Teachers and students can set up research projects with topics and sub-topics. Students may then take advantage of NoteStar's many features to collect and organize their notes and prepare their bibliography page.

Zoho Notebook

Contexted is a free note-taking tool that converts your notes into a Mind-Map. 

UberNote offers many ways to save your research notes: via a toolbar that you add to your browser, email, instant messenger, mobile device or even on their own website.

Transno is an interesting mind mapping tool because it will create mind maps based on your written outlines. Take a look at this video  www.freetech4teachers.com

EverNote 

Marqueed is a service that allows users to create and discuss collections of images and PDFs. Using Marqueed you can highlight and draw on images as well as PDFs. You can share MarQueed files or keep your files private. Likewise you can create private and public collections of files. 

Notalon: for the Cornell, dual-entry note-taking

Webklipper: Take notes on any page

iLeonardo: Combines social networking with research

YoLink: Find materials and export into Google Docs: For writing papers

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