"Find citation examples for information formats in a variety of citation styles. Learn how to document information in your field of research. Read about copyright, intellectual property, and how the Web shapes information use." Created by Trinity College.
Free plug-in that allows you to store and organize citations as you find them on your personal computer. Also allows you to create bibliographies in 20+ styles.
Mendeley is a free reference manager and academic social network that can help you organize your research, collaborate with others online, and discover the latest research
Create, collaborate and share colorful concept maps, and export them for printing or posting to other websites. A great tool for outlining topics and grouping ideas.