Watermark.ink - Online Photo Watermarker
Watermark - Watermark is an online tool to watermark content and copyright protect photos, videos, and documents.
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.
Fastwatermark - Fastest way to watermark multiple images for photographers.
Watermarkup - Watermark 30 Photos in Seconds Without Losing Image Quality. No monthly payment. No Ads.
textmark - Protect your content with an invisible, trackable watermark.