Briefly - TL;DR - Highlight the internet and share on social media
SMMRY - Summarize articles, text, websites, essays and documents for free with SMMRY.
Glean.co - Personalized learning for educational video lessons
Resoomer - Resoomer is a software and online tool for text summary: it allows you to summarize and analyze your articles by taking up the important concepts
Free Summarizer - Summarize *any* text online in just a few secs. *MAGIC*
Stringmark - Stringmark is an extremely easy-to-use Chrome Extension that allows you to save Links and Texts that are relevant to you.