Google webmaster tool
Google analytics tool
ahref tool
These are the tools to regularly use in SEO.

SEO Tools
 

Hi,

1. Keyword planner
2. SmallSeo tools
3. Google page speed insights

Google Keyword Planner
Google Trends
Schema Creator
XML Sitemap

1. Google PageSpeed Insights. Check the speed and usability of your site on multiple devices
2. Moz Local Listing Score
3. Keywordtool.io
4. Google Analytics
5. Google Webmaster Tools + Bing Webmaster Tools
6. Open Site Explorer
7. Google Keyword Planner
8. Smallseotool

I am using Yoast SEO in my blog.
 

In my opinion, it is best. You can see Keyword strength in it.

Increased Traffic

This is what we all want and the core of all SEO - more traffic to your website.

Google Webmaster tool, Google Analytics, Keyword Planners, Seo quake

Google Webmaster Tool, Google Analytics, Majestic,Keyword Planner

Open Site Explorer.
Google Keyword Planner.
Google.com in an Incognito Window.

Google Keyword Tool
Google Analytics
Google Webmaster Tools,
Google Rocks!

Majestic SEO
Small SEO Tool
Ahref...

For SEO, following tools are being used:

copyscape
Google Webmaster tool
Google Analytics
Small SEO tools
Backlink watch

1. Google Page Speed Insights. Check the speed and usability of your site on multiple devices
2. Moz Local Listing Score
3. Keyword tool.io
4. Google Analytics
5. Google Web master Tools + Bing Web master Tools
6. Open Site Explorer
7. Google Keyword Planner
8. Smallseotool

Google analytic
Google Webmaster
Google Keyword planner
SEO SpyGlass
Screaming Frog SEO Spider
Keyword Xtrame
Small SEO Tools
SEO Quake

As of now these are the tools we are using

Google analytic
Google Webmaster
Google Keyword planner
SEO SpyGlass
Screaming Frog SEO Spider
Keyword Xtrame
Small SEO Tools
SEO Quake