The authoritative Collins dictionaries now available online. Search amongst hundreds of thousands of words and expressions in Spanish, French, German,...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with fr...

Translate a word and get its definitions in any language.

YouTube is a place to discover, watch, upload and share videos.

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.

IDEAS is a central index of economics and finance research, including working papers, articles and software code

Prezi is the zooming presentation editor

Good old Wikipedia, great new look

Twitter is without a doubt the best way to share and discover what is happening right now.

Academia.edu helps academics follow the latest research.

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest qualit...

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web page...

Find opposite or similar words at WordHippo.com.

Eventbrite gives you all the online tools you need to bring people together for an event and sell tickets.