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.

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

A modern PDF library for TypeScript. Parse, modify, and generate PDFs with a clean, intuitive API.

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

Simple signing of PDFs in node.

pyHanko: sign and stamp PDF files

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

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

Websocket based (NO APPLET) Smart Card Digital Signature Framework

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

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

Chrome extension for digital signature with PKCS#11 token.

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

Zero-dependency native PDF engine in pure TypeScript. Create, parse, sign, and modify ISO 32000-1 documents. Supports PDF/A, PDF/UA, BiDi, and complex font shaping.

SimpleSign is a .NET library for creating and validating digitally signed PDF documents according to European (ETSI) and Brazilian (ICP-Brasil) standards, implementing PAdES (ETSI EN 319 142).

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

pdftimestamp add a document timestamp signature for a PDF file.

Türkiye için XAdES + CAdES + PAdES + ASiC elektronik imza kütüphanesi — clean-room; ETSI EN 319 132 / TS 101 733 / EN 319 162 / EN 319 142 uyumlu (Node 20+, TypeScript)

PAdES LTV PDF signer with Timestamp & SHA-256, C# Console App

A signature add-on for the SetaPDF-Signer component for TRUST2GO by GLOBALTRUST