I have read a post about SEO tools, It really good, most of these are practical, but the owner shared not enough.let me add what I think is good tools for SEOer.
DOM Element Counter : H label view tool.
Nodofollow : Dofollow and Nofollow view tool.
SearchStatus: PR, alexa, indexed view tool.
http://freekeywords.wordtracker.com/ not for free ,7 days trial.
Third- back link of view analysis tool
https://www.majesticseo.com/ not for free. Free version just can check one site and there is any quantity limitation for back link view and download. You can Search Cracked version.
http://www.seo-browser.com/ Search Engine Spider Simulator.
spinner chief: a good tool is not pseudo-original. It is main for free.
OnlyWire：Bookmark batch submission tool.
XRUMER：More powerful tools, suitable for learning to use a code bas.
SENUKE X and scrapebox: Mainstream tools.
Fifth-Online PING site
Sixth-Agent for chage your IP
That is all, I will upgrade another day