Open and watermark multiple images at once. Easy resize/drag your logo across the images. No more one by one watermarking in Photoshop or fixed logo placements with Lightroom. Without losing any image quality!
Watermark.ink - Online Photo Watermarker
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Watermarker Pro - Watermarker Pro is a software that is used by Mac users to watermark their photos, and they can add any kind of text, logo, or anything that they want in their photos.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Easy Watermark - Add watermark on images easily
Batch Image Processor 2010 - Batch-process & create web gallery of images