Ontolo

Ontolo link building tool helps you automate and scale your link building with customized daily link prospecting.

Features include:

• Discover valuable links: filter link prospects by PageRank, SEOmoz's mozTrust and mozRank, and authority.
• Manage 1000s of link prospects.
• Custom campaigns.
• Daily instant prospects.
• Identify relevant links: with link prospects in a searchable database, identify link types about specific topics.
• Manage link campaigns: define statuses for link prospects, export, and create link notifications.
• Manage automated link prospecting.
• Manage your reviewed prospects.
• Ideal prospect email notifications.
• Monitor your link building progress against your competitors.
• Monitor your competitors' backlink stats.
• See who's ranking for your keywords.
• Full-text searching, contact info, metric searches, exporting, and notifications.
• Exportable prospect data.
• Competitive link analysis: collect and compare weekly data on key link building metrics for you and your top competitors.
• Monitor your top backlinks.
• Link prospect URL reviewer.
• Bulk-edit your link prospects.
• Value-based prospect searches.
• Custom and instant prospecting tool.
• Find prospects linking to competitors.
• Manage your reviewed link prospects.
• Relevance-based prospect searches.
• Instantly build link prospect lists.
• Full-text searching, contact info, metric searches, exporting, notifications and more.
• Filter by mozTrust, mozRank, and Authority.
• Searchable link types:
  • Article directories.
  • Blogrolls.
  • Blogs.
  • Donation links.
  • Guest posts.
  • Links pages.
  • Raw prospecting queries.
  • Sponsored links.
  • Web directories.
• Full text searches:
  • Body text.
  • Title text using [intitle:].
  • URL text using [inurl:].
  • Fomains & TLDs using [site:].
• Advanced search operators:
  • [Plus] require term in results.
  • [Minus] exclude term from results.
  • [Asterisk] wildcard searches.
  • [Question] single-character wildcard.
  • [Quotes] phrase searching.
  • [Parenthesis] sub-expressions.
  • [Caret] term boosting.
  • [Tilde] proximity search.
  • [Tilde] fuzzy search.
  • [Colon,parenthesis] field grouping.