seo tools

http://smallseotools.com/online-ping-website-tool/

http://smallseotools.com/keyword-position/

http://keywordrevealer.com/

http://tools.seochat.com/tools/related-keywords-tool/

https://serps.com/tools/keywords

Premium seo marketing tool semrush

http://www.gingersoftware.com/grammarcheck