NoteBear - Buy and sell class notes and get on-demand tutoring.
SMMRY - Summarize articles, text, websites, essays and documents for free with SMMRY.
Stanford Nerd - Text a Stanford student and get help
SummarizeBot - A blockchain-powered bot that summarizes information for you
Teech - 24/7 Unlimited help from the world's best students
TLDR This - Automatically summarize any article or webpage in a click.