Video Merger - Video Merger is a powerful video-merging application, allows you to merge your favorite videos into a single large video by adding background music of your choice.
Watermark.ink - Online Photo Watermarker
Owlead - Grow your Twitter with valuable followers, effortless
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.
Procatinator - Random full screen cat gifs to music. Need I say more?
textmark - Protect your content with an invisible, trackable watermark.