itextsharp

We HIGHLY recommend customers use iText 7 for new projects, and to consider moving existing projects from iTextSharp to iText 7 to benefit from the many improvements such as:

• HTML to PDF (PDF/UA) conversion
• PDF Redaction
• SVG support
• Better language support: Indic, Thai, Khmer, Arabic, Hebrew. (Close-source addon)
• PDF Debugging for your IDE
• Data Extraction
• Better continued support and bugfixes
• More modular, extensible handling of your document workflow
• Extra practical add-ons
• Encryption, hashing & digital signatures

The main release contains:

• itextsharp.dll: the core library
• itextsharp.xtra.dll: extra functionality (PDF 2!)
• itextsharp.pdfa.dll: PDF/A-related functionality
• itextsharp.xmlworker.dll: XML (and HTML) functionality

This project is hosted on https://github.com/itext/itextsharp

You can find the latest release here:

• https://github.com/itext/itextsharp/releases/latest

You can also build iTextSharp from source.

We also have RUPS — a Java tool that can help you debug PDFs. It's hosted on http://github.com/itext/rups

iTextSharp is licensed as AGPL software.

AGPL is a free / open source software license.

This doesn't mean the software is gratis!

Buying a license is mandatory as soon as you develop commercial activities distributing the iText software inside your product or deploying it on a network without disclosing the source code of your own applications under the AGPL license. These activities include:

• offering paid services to customers as an ASP
• serving PDFs on the fly in the cloud or in a web application
• shipping iText with a closed source product

Contact sales for more info: http://itextpdf.com/sales