Bookstash - Bookstash is a free library of curated summaries from top nonfiction books.
Summari - Summari is a web and mobile app that can summarize long text articles into bullet points.
Instaread - Read or hear key takeaways of any book in minutes
TldrGPT.net - Summarize and keep any web page in Chrome and Brave
Book Video Club - Quick video summaries of the top business books for startups
Shortify - Privacy-focused summarizer that works in all your apps (text and video)