digital signature

A digital sound recorder,record sound,convert wave to mp3,mp3 ID3 tag editor

Add annotation, drawing, text, images, signature, stamps, and sticky notes to your documents.

Utilities to make and verify md5 signature files from Explorer's context menu.

Encrypting and signature of emails; incl. Outlook AddIn (X.509 / PKCS)

Encrypting and signature of emails; incl. Outlook AddIn (X.509 / PKCS)

Prevent the intrusion of hostile code and eliminates signature/definition.

Remove embedded images from pdf files as watermark, signature, banner, logo.

brings an interface to encrypt, decrypt, sign or verify the signature of text

randomsig is a program for randomly generating signature lines for email message

P7S Viewer lets you view files signed by P7S Signer or other signature software.