Pinterest

Pinterest is a social network that allows users to visually share, and discover new interests by posting (known as 'pinning' on Pinterest) images or videos to their own or others' boards (i.e. a collection of 'pins,' usually with a common theme) and browsing what other users have pinned.

Delicious

Delicious is a free service designed with care to be the best place to save what you love on the web. We keep your stuff safe so it's there when you need it - always. Delicious remembers so you don't have to. It's easy to build up a collection of links, essentially creating your own personal search engine. It's quick to organise your links so that when you're looking for something, you can find it within seconds.

Spicynodes

Sometimes users know exactly what they’re looking for, and sometimes they only have a general idea. With SpicyNodes, you can organise morsels of information in a way that makes sense to your visitors, and display the morsels as nodes in a radial layout. It’s nonlinear, and much more like real life.

Diigo

Collect

Save and tag your online resources for easy access anytime, anywhere

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Annotate

Annotate web pages and PDF's directly as you browse online

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Organise

Organise your links, references and personal input to create a structured research base through Outliner

Share 

​Share your research with friends, classmates, colleagues or associates