About to change tires in your car? This calculator will allow you
to see what other sizes are available as a replacement — even without
changing your wheels. Made in just about an hour or so, this calculator
gained quite some popularity.
ISBNdb.com queries libraries all across the world for books, parses results and
presents them on the web. You can search by words in title as well as
by ISBN. You can search for publishers, authors and browse books using
variety of criteria. Original MARC records for each book are also
available for download. A remote access API is widely used to power
everything from iPhone apps to physical bookstores to church libraries.
Acquired by Price Network Inc. in 2010
WhereTo.org is a social site aiming at creating a database of local
travel destinations — daytrips, hiking trails, beaches, etc. Everybody
can participate, edit places, tag them, get recommendations.
The headlines archive allows to look at a snapshot of what the
Internet was talking about at a given time or on a given theme — whether for research or just for fun. Ever
wondered what was on the internet on a specific date? This is the place
to check.