iText 7 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 7 can be a boon to nearly every workflow.

iText 7 for .NET is the .NET version of the iText 7 library, formerly known as iTextSharp, which it replaces. iText 7 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 7 can be a boon to nearly every workflow.

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

Simple signing of PDFs in node.

Websocket based (NO APPLET) Smart Card Digital Signature Framework

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

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

Chrome extension for digital signature with PKCS#11 token.

pdftimestamp add a document timestamp signature for a PDF file.

PDF visual signatures without overlapping

Test area for public SD-DSS v4.7.x issues on stackoverflow etc