Watermark.ink - Online Photo Watermarker
AnyChart - Award-winning JavaScript charting library & Qlik Sense extensions from a global leader in data visualization! Loved by thousands of happy customers, including over 75% of Fortune 500 companies & over half of the top 1000 software vendors worldwide.
textmark - Protect your content with an invisible, trackable watermark.
Chart.js - Easy, object oriented client side graphs for designers and developers.
AG Audio Watermark Generator - AG Audio Watermark generator is a little app for both mac and pc that will help you to add an audio watermark to your original track in a fast & easy.
CanvasJS - HTML5 JavaScript, jQuery, Angular, React Charts for Data Visualization