DVD Audio ripper is software DVD movie soundtrack ripper and DVD to MP3 ripper, which can extract movie soundtracks from DVDs and rip DVD audio to MP3, AAC, AC3, WAV, AMR, M4A and OGG formats.
DecryptPDF can be used to decrypt protected PDF files, which have "owner" password set, preventing the file from editing (changing), printing, selecting text and graphics (and copying them into the Clipboard), or adding/changing annotations and form fields.