Monosnap - Monosnap is a comprehensive screenshot taking software system that provides users with a fast and accessible way to take screenshots whenever they want. Read more about Monosnap.

Lobe - Visual tool for building custom deep learning models

Annotate - Annotate (formerly know as Glui) is the simplest way to capture, annotate and share screenshots.

Machine Learning Playground - Breathtaking visuals for learning ML techniques.

LabelMe Annotation Tool - LabelMe is an annotation tool writen in Javascript and Perl for online image labeling.

Amazon Machine Learning - Machine learning made easy for developers of any skill level