HEATKEYS

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

Crie e publique questionários online em minutos e exiba os resultados em forma gráfica e em tempo real. A SurveyMonkey fornece questionários online gratuitos e software de questionário.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

PKRSS.COM WordPress site

The largest and most trusted free online thesaurus. Quickly find accurate and up-to-date synonyms, antonyms, and related words at Thesaurus.com. Synonym dictionary, antonym dictionary, words synonyms.

Zotero is a powerful, easy-to-use research tool that helps you gather, organize, and analyze sources and then share the results of your research.

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

Lulu.com lets you make, self-publish, print and sell print-on-demand books, e-books, photo books and calendars with free book publishing.

OpenDrive is an online storage, backup and cloud content management service that allows you to store, backup, sync, share, hotlink, sell or collaborate on your files in the cloud.

Diigo is a powerful research tool and a knowledge-sharing community

StumbleUpon is a discovery engine that finds the best of the web, recommended just for you.