Serpstat - Search analytics, Rank tracking, Backlink analysis and Site Audit tool.
Majestic - Majestic - Link intelligence tools for SEO and Internet PR and Marketing. Site Explorer shows inbound link and site summary data.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
Advanced Web Ranking - Advanced Web Ranking (AWR) is a robust rank tracker, specially designed for large amounts of keywords, which makes it the ideal solution for agencies and medium-to-large in-house teams.
GSA Search Engine Rank - GSA Search Engine Rank is an automatic Backlink software that provides the search engine ranking, so you do not have to look for the backlinks again.