borb is a library for reading, creating and manipulating PDF files
Edit your PDFs without needing a subscription or creating accounts
This is a small PDF editor based on OpenPdf core and AndroidPdfViewer
Convert PDF to HTML without losing text or format
PDF Reader (It converts PDFs to JPGs first, to be able to read it)
Secure, Browser-Agnostic ASP.NET PDF Viewer with DRM Features
The DjVu complete solution,with OCR Technology(Arabic ,English).