HelpRange - HelpRange lets you easily share documents and analyze their usage.
Vitrium Systems - Protect Your Content. Protect Your Business
Dropbox DocSend - Dropbox DocSend is a secure file and document sharing solution that gives users analytics and control of document in their critical workflows. Key features include sending documents as secure links, eSignature, and customizable virtual data rooms.
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.
Locklizard Safeguard PDF Security - Locklizard Safeguard PDF Security provides total PDF DRM protection and control over your documents...
ProtectPDF.io - Keep your ebook safe and prevent sales loss