A Java library for reading image files, thumbnails and metadata. It includes a utility to drop metadata from JPEG files. Can read predefined area of image, can read image channel and scale images. [Free for non-commercial use]
Reads, writes, watermarks, transforms and comments animated and non-animated GIF images. Includes a fast and qualitative Java color quantizer. Supports text rendering, morphing filters, and ImageIO. [Commercial, with trial version]