Site Rank Data - View historical rank information of websites via time series charts.
Growth Hacker Marketing - Ryan Holiday's book, re-released and expanded
HypeStat - HypeStat is free statistics and analytics service, where you can find information about every website.
Top of the Lyne - Growth strategies and the weekly news from the best product-led SaaS companies (Figma, Calendly, Notion, and more) for founders and growth leaders!
Q-Stats - Get free marketing insights for every question on Quora.
TweetFavy - The Growth Hacking Tool for Twitter. Marketing automation software / Growth Hacking tool designed to grow your social media influence and attract real, targeted and engaged Twitter followers.