Best and Free Tools are -
[list=]Moz Local Listing Score
Google Analytics
Google Webmaster Tools
Open Site Explorer
Google Keyword Planner
QuickSprout Website Analyzer[/list]
smallseotools ---> In these you can find everything
mozbar--> To check for DA, PA and Spam score
Ranksignals --> Backlinks
seoreviewtools--> Competitor backlinks
Alexa rank--> For global and local wide rank position
Google Keyword planner---> Keywords and search volume
keyword density checker--> keyword density
Schema Creator
I think Ahrefs is the best tool for backlinks
i recommend the Link bird is best backlink seo tool.
These tools are best to Analyze Backlinks
Ahrefs
MOZ
OpenLinkProfiler
Backlink Watch
OpenLinkProfiler is a free link research tool that enables you to check the backlinks of any website and it is best tool
The best free backlink checker tools are:
1. SEMrush,
2. Ahrefs,
3. Open site explorer
4. Backlink watch
5. Google Alerts
6. Seo Quake
7. Moz
8. keyword density checker
SEMRush
Keywordtool.io
Moz
SEOQuake
Screaming Frog
Google Analytics
Google Webmaster
Open Site Explorer
Backlink watch is one of the best tool i have experienced to check backlinks.
Backlink Watch
Linkody
cognitiveSEO
Kerboo.
LinkResearchTools
Majestic SEO
Monitor Backlinks
SEO PowerSuite