Digital Signature & eSigning software. Bulk PDF signing. Sign all Page
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Free and open-source PDF signing and verification application.
Hash Calculator
Twinkle is an open-source text editor that encrypts your documents
Twinkle is an open-source text editor.
Get and save hashes of files in a drive or folder.
Centralized signing and verification
Base64 encode (or decode) files of any type with this lightweight tool
Java code that enables you to sign documents using a smart card.
Kerberized Messaging Toolkit for Java