Looking for web crawler

Hello
I am looking for a web crawler. I have no experience in this area and need your help, please. The crawler will be used to track online infringements. The plan is to also integrate it with a case management system. The requirements that I have are:
- specify start and end point of the crawl
- end point of the crawl may be defined after the crawl has been initiated
- regular monitoring of pre-programmed sites
- allow additional sites to be added on ad-hoc basis
- results matched to pre determined patterns both automatically and manually

I am pretty much open to opensource or non-opensource crawlers, trying to find the best possible options available. Highly appreciate your help!

Thanks

 

http://www.orchidbox.com/crawler/

 

Thanks....



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gothquiz.net/

 

is a good one

 

Try to buy google bot

Takes days to install but its working for 100% right now at http://www.bpled.com

 

Hi,
Very nice thank you. I was looking for it.

 

bpled your tool is rubbish. it is just a way for you to make money via google adsense search. google dark will won't make you save any money. will just make bpled more money !

 

IMO commercial tools will be best than open-source.

 

This one maybe interesting too: wintzell.net/seo-tools/domain-outbound-links-check.php

 

Nice one .. i use it

 

okay this is nice.. I will be trying it as soon as possible...