PDF Concatenation Tool
ConcatPDF is the tool to concatenate PDF files. It can concatenate, extract, encrypt, decrypt, configure PDF files, convert image files to PDF. GUI version and CUI version are both available. iText.NET is iText porting on .NET Framework by J#. This library allows you to generate PDF, (X)HTML, XML, RTF files on Microsoft.NET Framework including ASP.NET.
Building a secure browser for classic Mac OS
This is the download repository for Classilla, the Mozilla-based browser for Mac OS 9 (and 8.6). No tickets are accepted here; this is just for files. For our web page, see http://www.classilla.org/
OpenPGP...in your browser.
Encrypt, decrypt, sign, verify, manage. The Firefox Add-on for OpenPGP management. FireOPGP is a branch replacement for FireGPG. It uses the OpenPGP standard and requires the GnuPG software.