hey guys are you doing Manuel submission or using some software for off page submission?

Google seo tools are best tools using like google analytics, keyword tool, webmaster tool, page rank checker and Google adwords etc.

There are s many tools available or you can find from search, but I prefer google webmaster tool.

Google adword is best tool every from which you can find your all details about keywords.

There are so many tools out there, freeware and non-free.

My favorite addons:

seobook
seoquake
web developer

my favorite seo web based tools:

sitefactor --> this is a new one I really appreciate, great features (1 month free starter)
raven tools (especially to monitor social media )
sistrix

google analytic and google webmaster
also some times I used webconfs.

There are many different toots we're using such purpose,
All in one push2check and webmaster-element

I use reactionengine website for analysis website .Its a great one

I use histats for analysis of my blog. SEOCHAt is also good site!

I would suggest that senuke X and scrapebox are awesome tools ;)

As there are various seo tool available but among all following are the best:
1. Google keyword tool:- to get ideas about good search terms.
2. Google analytic:-to track the visitors of your site.
3. Google webmaster tool:-provides all the information related your website indexing, crawling and error of your website.

The best SEO tools are :
1.Search status tool
2.Backlink checker
3.Penalty checker
4.Google analytics
5.Page rank checker.