wiki software or service might be interesting

http://www.wikia.com/

Domain name prices, selling domains

buydomains.com

A domain name is like real estate.... location, location, location.

So the value of a good domain, especially one with a keyword in it is worth gold.

The difference in retail between being on rodeo drive and being a few streets over is huge. the same with a domain name.

If you are selling or buying you might consider escrow.com so that the buyer gets the domain and the seller gets the money.

download videos or audios from web sites and youtube

http://deturl.com/

site map generator

it allows you to add images with their alt tags into the site map.. so I am working on doing that right now so I can make the map http://www.xmlsitemapgenerator.org/index.aspx click advanced settings you can see where we can add images to sitemaps

Who links to your web site? backlinks detector

http://ahrefs.com/

How much is that domain worth?

http://domainindex.com/

also gives all sorts of other interesting information as well like backlinks and more.

cheaper version of pr newswire?

https://ireach.prnewswire.com/orders/price-options.aspx