Article tools is one of the best article writing tools for SEO purposes. It offers automated scraping of all major article sites as well as spinning tools and pdf spinning tools with full functionality! And the best thing about it's free!

Email Scraper Wizard is one of the most powerful email scrapers in the market with features such as scrap from websites, search engines, stay in domain, multithreading and proxy support you can't go wrong when using this free email scraper.

Bottopias Expired domain finder is a crawler that crawls search engines (for targeted keywords) or websites for expired domains it provides back detailed analytics such as expiry date, pagerank and SEOmoz statistics.