HEATKEYS

LibraryThing catalogs your books online, easily, quickly and for free.

Easily find more sites like those you like. Similar Sites helps you find related sites and alternatives based on community recommendations and computer analysis.

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.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

Photobucket offers image hosting, free photo sharing and video sharing. Upload your photos, host your videos, and share them with friends and family.

Higher education search engine and directory of world universities and colleges. 4icu.org includes 10,000 college and university reviews and web rankings in 200 countries.

Access and share logins for websites that require you to register in order to view content.

DistanceLearningPortal.eu helps you to find and compare any open, online or distance learning programme. Browse thousands of study opportunities from many universities and explore the online and distance learning expert info centre.

BestReviewDomain - best review and free analytic for webmasters that gathers detailed information on your domain : traffic details, Technology language, whois, ranking info, domain backlinks,domain IP, DNS record, optimization, network tools, seo too...

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

FREE SEO & PPC Keyword Research software tool, that unveil your competitors’ most profitable Ad copies & keywords. Learn from time-tested Ad campaigns.