purePDF

purePDF is a port of the Java iText library.

Features:

• PDF viewers display options
• Alpha transparency, blend modes
• Layers
• Arabic RTL writing
• Support for PDF text rendering
• Tables (nested tables, page split tables, table with images, etc.)
• Slideshow (page transitions)
• Annotations, comments, file annotations
• Patterns, shadings patterns (linear and gradient), spot colors, RGB color and CMYK color
• Linear and radial gradients with alpha
• Forms (user input forms, textfields, combo box, list, checkbox)
• Paragraphs, phrases, chunks for text manipulation, chapters, lists
• Images (jpeg, png, animated gif, tif, bitmapdata, wmf) and image patterns
• basic and advanced paths
• afm, otf, pfm, ttc and ttf fonts (embedded and not embedded)
• Metadata, page header and footers
• External, internal links
• Barcode creation ( ean-ucc 13, ucc-12, ean-ucc-8, upc-e, pdf 417, ean supplements)
• Unicode, cjk fonts and text
• File attachments
• JavaScript scripting
• Multi-column text
• Embedded movies
• Vertical text
• Open and inspect PDF documents

What is new in this release:

• Now it's possible also to add simple annotations to images.