iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

Digital Signature Service : creation, extension and validation of advanced electronic signatures

iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enha

Simple signing of PDFs in node.

pyHanko: sign and stamp PDF files

Websocket based (NO APPLET) Smart Card Digital Signature Framework

Chrome extension for digital signature with PKCS#11 token.

Add/verify Advanced Electronic Signature (AES) and Qualified Electronic Signature (QES) in PDF (usign pure Go)

An Implementation of CAdES, XAdES, PAdES and ASiC for Windows in C++

Java command line tool for digital signature with PKCS#11 token.

PDFSigner is a multipurpose PDF signer and verifier application for Advanced Electronic Signature (AES) and Qualified Electronic Signature (QES)

A SetaPDF-Signer component signature module for the GlobalSign Digital Signing Service.

PDF visual signatures without overlapping

pdftimestamp add a document timestamp signature for a PDF file.

A SetaPDF-Signer component signature module and batch processor for the Swisscom Signing Service.

Ferramenta que abstrai toda comunicação com as API's da BITSIGN, utilizando diretórios para envio de documentos e armazenando os arquivos que foram assinados.

Biblioteca .NET para consumo dos serviços (API's) fornecidos pela BITSIGN, recepção de callbacks e demais recursos para a integração entre sistemas.

A dotnet/C# SDK for Criipto Signatures. Sign PAdeS-LTA documents using MitID, BankID or any other eID supported by Criipto.

Sign PDFs with PAdES standard, using EU and Brazil's signature profiles.

A signature add-on for the SetaPDF-Signer component for the "Serviço de Assinatura de Faturas Eletrónicas" (SAFE) of the Portuguese State