digital-signature

Use your ID-card electronically, digitally sign documents and encrypt documents for safe transfer.

DigiDoc4 is an application for digitally signing and encrypting documents; the software includes functionality to manage Estonian ID-card - change pin codes etc.

Free PDF toolbox for Windows to merge, split, compress, digitally sign and OCR documents. Nothing is uploaded, 100% local. UI in Spanish.

Native messaging agent for Master Signer ICP-Brasil digital signature

Free AGPL edition of miPDFsign — a tablet signature app that embeds handwritten signatures with biometric data as PAdES into PDFs.

A privacy-first PDF workstation for Windows -- no telemetry, no cloud, no subscription.