Annotable - Ultimate image annotation & markup tool
SMMRY - Summarize articles, text, websites, essays and documents for free with SMMRY.
Weava - Workspace to highlight, organize & collaborate on your research articles.
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
Airsketch - Simple screenshots + annotations for Mac 🖥️
Free Summarizer - Summarize *any* text online in just a few secs. *MAGIC*