HighWire Press is an article/journal depository for Stanford University Library. They have over 1039 journals and over 4 million articles from different publishers. All these articles has been properly reviewed and can be considered trusted sources. By signing up for a free account, users can have access to most of these articles as well as this site's advanced search features. You can also shop for paid articles on their site through subscriptions. Publishers can also submit their articles and let others access through subscription. - Read more

BUBL is an internet directory covering academic topics, for the higher education community. It was first started way back in 1991 as an BBC. Something like a web directory specialized for academic websites. It also keeps a detailed archive for old information pretaining different subjects and topics. BUBL uses something called the Dewey Decimal Classification system to arrange their categories of Internet resources. All information available on this site is free. If you want to submit a resource to BUBL, you need to send an email to them. - Read more

Dictionary.com is an online dictionary. You can search for a term or a word simply by using their search function. If you don't know the exact spelling, you can also use the search function and it will provide with a list of suggested terms for you. Think of them as an automated dictionary. In additon, they have a member section which offers ad-free access, audio prounications and color illustrations. The price of membership is just US$19.95 per year. This service is bought to you by Lexico Publishing Group, LLC, - Read more

The Free Dictionary is an online dictionary and encyclopedia for web surfers. It is available free of charge. You can search for a word or try out their thesaurus. They have a legal dictionary available as well. Their webpage can be customized to your preference. You can add content windows to your personal Free Dictionary page. Content like games, word of the day, quotation of the day and so on can be added or removed. Webmasters can also make use of the content or rss feeds on this site to help improve their own websites. - Read more

NESTA is the National Endowment for Science, Technology and the Arts based in the UK. Their main objective is to support and promote creativity, innovation as well as talent in the UK. They hope to achieve this by helping to develope and enhance the skills of innovators, by influencing governmental policies, building solutions (through research programs) and best practices and funding young innovative startups. On this site, you can find articles, reports and links to other interesting websites. - Read more

The Visual Thesaurus is an interactive thesaurus which displays terms in a spiderweb-like design. This way, it encourages users to visualize different words and terms. It creates "word maps" that explains the meanings of those words and then "branch" to similar wordings. You can see the relationship between the terms intercatively. You can even rotate the word maps in 3D. It also pronounces the words properly for you. The Visual Thesaurus is available in both the Desktop version and the online version. - Read more

It is hard to really define Sparknotes. Think of it as a website setup by Harvard "students" for students everywhere to allow them to understand what they should know. The site attempts to help students learn basic skills, study for exams and of course, achieve what they set out. Sparknotes offer numerous study guides on a variety of subjects for free. Students can download and print many of the guides. The guides contain summaries and analysis of the subjects in question. I would generally classify them as education aids which enhance and improve teaching and understanding.

Merriam-Webster Online is a powerful online dictionary where you can search for a word or use the thesaurus. You can search for any term or terms and Merriam-Webster Online will provide you with the explanation. Also available on this site is Word of the Day, Word Games, Spelling Bee Hive and so on. They have a section for interesting new bites for those bored. Furthermore, they offer a English/Spanish dictionary for their users. A free toolbar is available on the site. All these services are free. For it's premium members, you can login to enjoy a advertisement free site. - Read more

wikiHow is a site for how-tos. On this site, you can find huge number of user-submitted how-tos, tutorials and manuals. Their main objective is to provide their readers information on how to solve their everyday problems and making it accurate and user-friendly. Anyone can submit articles to this site and anyone can edit to improve those articles too. However, they have editors which will delete off spam, vandalism and other useless comments from any article. They have over 17,000 articles available, all for free. - Read more