Crawler

• http://nutch.apache.org/
• https://github.com/FriendsOfPHP/Goutte
• http://sourceforge.net/projects/methabot/
• http://www.openwebspider.org/
• https://osf.io/share
• http://iweb.dl.sourceforge.net/project/openwebspider/OpenWebSpider/0.7/openwebspider-0.7.tar.tar.bz2
• http://ufpr.dl.sourceforge.net/project/openwebspider/openwebspiderjs/openwebspider_js_0.2.3.zip
• http://www.grepsr.com/
• http://www.diffbot.com/
• https://import.io/
• https://cartodb.com/
• http://scrapy.org/doc/