PDFTK Builder - PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.
RAR Password Unlocker - RAR Password Unlocker detects and cracks lost or forgotten passwords protecting RAR archives. It offers three methods of tackling lost passwords: Brute Force,
PDFTools by SheelApps - PDFTools
Appnimi ZIP Password Unlocker - This program is totally free which has the ability to search passwords for zipped files.
QPDF - QPDF is a command-line program that does structural, content-preserving transformations on PDF...
Accent ZIP Password Recovery - Accent ZIP Password Recovery (AccentZPR) is a professional grade software product to unlock password protected Zip/WinZip files with classic and WinZip AES encryption.