Free Website Tools
Free Website Tools

So what do you do with a PDF search engine like PDFgeni? You search for free e-books, sheets, forms, documents and other publications that are available in PDF format. You can read the PDF on PDFgeni, download the file, or click over to the original website.

Access all your web apps from one place and switch easily between them at SimpleSpark. You can also submit your web app for review and inclusion.

If you need to know how long it takes to get to the Neptune at the speed of light, visit WolframAlpha to get your answer. WolframAlpha doesn’t search web pages for answers, but computes the results to your customized questions based on human knowledge recorded in scientific resources, encyclopedias, government resources and more. As opposed to Google’s mission to ‘organize the world’s information’, WolframAlpha attempts to ‘make it possible to compute whatever can be computed.’

Traditional search engines search documents and pages, Topsy searches current conversations on social media sites like Twitter, blogs, Flickr, Digg, Yelp, Identica and many other communities for your search term. It displays search results based on influence of the source.

Spacky picks up searches from Google, Yahoo and MSN and displays them side-by-side. Works pretty well, but doesn’t pick up lower search volume keywords and phrases.

Leapfish: The slogan in their search box says it all: you can choose from Google, Yahoo and MSN and get instant web, blog, images, news and video results on one page. Nice!

Search message boards and forums across the web with this specialized search engine. Submit your site, search by post, thread, time frame, freshness and language.

It’s always amazing: to see all the personal information about you that’s available online. This people search engine finds age, addresses, relatives and more. It finds basic info, refers to other services and displays lots of ads. Searching social network profiles, pictures etc. is for pay only.

If you want fewer search results per page, give Cuil search engine a try. It displays only a handful of search results, but also adds related categories alongside suggested results. A feature at the top of the page lets you view real time results. This may not be a search engine to optimize for, but its unusual way of generating search results may be useful when analyzing your competitors pages.

Linkvendor’s analysis tool shows link popularity on major search engines, Alexa, PageRank, and Compete ranks, and Spamhaus blocked pages. It also shows if your domain is listed in the DMOZ and Yahoo directory.