A simple interface for working with TeX documents
Split and merge PDF files on any platform
An integrated writing environment for creating LaTeX documents
Online service for PDF conversion (to PDF)
BRIC is a powerful tool for batch image processing.
Lightweight General Purpose Linux Distribution
The DjVu complete solution,with OCR Technology(Arabic ,English).
FlaxPDF is a fast, nice multithreaded PDF viewer for the desktop.
Build a large LaTeX book with separate linked chapters