PhotoPad Image Editor (PhotoPad for short) is a super compact digital image editing tool developed by NCH Software, whose SoundTap Streaming Audio Recorder and VideoPad Video Editor you may still remember them.
ArcSoft Panorama Maker is a professional high quality photo stitching (panoramic) tool. It can conveniently and quickly stitch a series of overlapping photos together into a beautiful panorama image. The entire process takes only a few simple steps.
Hugin is a cross-platform and open-source panoramic photography image mosaic application, Pablo d'Angelo-based development, it is a front-end program with graphical interface based on Helmut Dersch's Panorama Tools, Andrew Mihal's Enblend and Enfuse.