SMMRY - Summarize articles, text, websites, essays and documents for free with SMMRY.
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
SummarizeBot - A blockchain-powered bot that summarizes information for you
WikiTribune - Evidence based journalism, from the founder of Wikipedia
TLDR This - Automatically summarize any article or webpage in a click.
Qwiki - Find and Read Articles on Wikipedia from your Mac menu bar!