A PDF Reader in JavaScript
Multi-format (PDF, EPUB, MOBI, FB2, CHM, XPS, DjVu) reader for Windows
Scan documents to PDF and other file types, as simply as possible.
Simple portable Java app to merge single images and documents to PDF
A PDF parsing, modification and creation library.
Split, merge, extract pages, mix and rotate PDF files.
Convert pdf to a djvu using profiles with all options of pdf2djvu