Initially built for the black hat SEO, ScrapeBox is a handy tool for the white hat link building tasks. It will help you with link prospecting, finding contact information and keyword research.

Features:

• Harvest thousands of URLs from 30+ search engines in seconds
• Produce thousands of long-tail keywords from a single base keyword
• Ensure keeping your work private with thousands of free proxies
• Fast and trainable multi-threaded poster to leave comments on dozens of platforms
• Scan thousands of pages to verify your backlinks exist, and the anchor text
• Use Keyword Scraper to scrape 30+ search engines for jucy keywords
• Keyword Scraper sources include YouTube, Alexa Topsites, Verzion, Charter, Ask.com, DogPile, AltaVista and many others
• Use other numerous tools coming along with ScrapeBox, like Check PageRank, Create RSS Feeds or Sitemaps, Find Unregistered Domains, Extract Emails, Check Indexed Pages