Epic Pen - A windows tool for drawing over your desktop and applications
Marin Software - Optimize your Search, Social & Display ads across channels and devices. Marin Software, the leading cross-channel performance advertising platform.
gInk - An on-screen on-screen annotation software for Windows.
AdRoll - AdRoll is a leader in retargeting display advertising. Draw the right people with the right strategies.
FrontSketch - Highlight, annotate, draw, capture, write on your computer screen during run-time
Google Marketing Platform - Google's unified and improved marketing and analytics tools.