SMMRY - Summarize articles, text, websites, essays and documents for free with SMMRY.

Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues

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

mlist - Email newsletters, outside of the inbox

Free Summarizer - Summarize *any* text online in just a few secs. *MAGIC*

TL;DR Email - Send short emails & read emails as fast as you read Facebook