Plagiarism Checker: http://smallseotools.com/plagiarism-checker/
Video SEO Guide: http://backlinko.com/video-seo-guide
Proofread Tool – https://www.grammarly.com/ signup free with your inbits account to use it
Keyword Planner – https://adwords.google.com/ko/KeywordPlanner/
Video markering Strategy – https://www.thinkwithgoogle.com/articles/online-video-marketing-strategy-google-brandlab.html
SEO Checklist – https://prefr.slack.com/files/usharom/F3ZBU1XQE/ultimate-seo-checklist.png