iTextPDF - iText offers flexible tools for PDF creation, editing and inspection.
Symantec Data Loss Prevention - Fully protect your data with the comprehensive detection technologies and unified policies of Symantec's industry leading Data Loss Prevention (DLP).
PDF Clown - PDF Clown is an open-source general-purpose library for manipulating PDF documents through multiple abstraction layers, rigorously adhering to PDF 1.7 Specification
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Document .Net - Gives you API to do everything with a document in PDF, DOCX, DOC, RTF, HTML and Text formats.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.