http://www.screamingfrog.co.uk/seo-spider/

• seo
• tools
• crawler
• spider
• seotools
• sitemap
• seotips
• onpage
• contentstrategy

https://github.com/jawj/OverlappingMarkerSpiderfier

• google
• maps
• googlemaps
• marker
• spider

http://www.sphider.eu/

• spider
• engine
• search
• mysql
• php
• script
• crawler