Top 5 SEO Link Ananlysis tools

1. Open Site Explorer (SEOmoz) 
Link:  www.opensiteexplorer.org
2. Majestic SEO 
Link: www.majesticseo.com
3. Link Diagnosis
Link: www.linkdiagnosis.com
4. Advanced Link Manager 
Link: www.advancedlinkmanager.com
5. Semrush 
Link: http://www.semrush.com