eMark
Free and open-source PDF signing and verification application.
eMark is a free and open-source PDF signing and verification application – a powerful Adobe Reader alternative that enables you to securely sign, verify, timestamp, and protect PDF documents using:
🔑 USB tokens and HSM (PKCS#11)
📜 PKCS#12/PFX certificates
💻 Windows certificate store
Works seamlessly on Windows, Linux, and macOS with an Adobe Reader-like interface featuring professional signature verification capabilities. Built for individuals, enterprises, and government...