Saxonica: Welcome

Developers of the Saxon processor for XSLT, XQuery, and XML Schema, including the only XSLT 3.0 conformant toolset.

Saxonica was founded by Dr Michael Kay in 2004. Over the years, we have delivered:

  • over 11,000 paid-for licenses
  • to more than 1,300 clients
  • of whom over 200 have bought a site license

More than 170 software vendors have built Saxon into their own applications.

Microsoft, for example, has chosen Saxon to provide XSLT 3.0 capability within BizTalk Server 2020.

6 of the world's top 10 software vendors are Saxonica clients.

TRY SAXON FOR 30 DAYS
Get an evaluation license for Saxon.

For commercial enquiries, please contact saxon-orders@saxonica.com.

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Recent news

Latest announcements are listed below, for full history see News.

8 June 2024
O'Neil Delpratt and Matt Patterson presented the paper Bridging XDM types in multiple native type systems at XML Prague 2024.

7 June 2024
Michael Kay presented the paper Navigating and Updating Trees of Maps and Arrays at XML Prague 2024.

25 January 2024
SaxonC 12.4.2 maintenance release for C/C++, PHP and Python.

1 December 2023
SaxonC 12.4.1 maintenance release for C/C++, PHP and Python.

29 November 2023
Saxon 12.4 maintenance release for Java, .NET, and C/C++, PHP and Python. This is now recommended as the most stable and reliable release for production use.

3 November 2023
Debbie Lockett presented Asynchrony with Promises in SaxonJS at Declarative Amsterdam 2023.

2 November 2023
Norm Tovey-Walsh presented QT4 status update at Declarative Amsterdam 2023.

13 October 2023
SaxonJS 2.6 maintenance release for Node.js and browsers.

2 October 2023
Management changes at Saxonica announced - see the blog posts from Mike and Norm.

24 August 2023
Saxon 11.6 maintenance release for Java, .NET, and C/C++, PHP and Python.

4 August 2023
Michael Kay presented the paper Schema-Aware Conversion of XML to JSON at Balisage: The Markup Conference 2023, Washington DC.

31 July 2023
Norm Tovey-Walsh presented the paper Ambiguity in iXML: And How to Control It at Balisage: The Markup Conference 2023, Washington DC.

4 July 2023
Saxon 12.3 maintenance release for Java, .NET, and C/C++, PHP and Python.

2 May 2023
Matt Patterson has joined the development team at Saxonica.

2 May 2023
Saxon 12.2 maintenance release for Java, .NET, and C/C++, PHP and Python.

21 March 2023
Saxon 12.1 maintenance release for Java, .NET, and C/C++, PHP and Python.

21 March 2023
A new announcements blog has been added for release announcements.

16 February 2023
Saxon 10.9 maintenance release for Java and .NET.

12 January 2023
Saxon 12.0 first release for Java, .NET, and C/C++, PHP and Python.

12 January 2023
The Saxon open-source project at SourceForge is now obsolete. From now on open-source releases will be available on GitHub instead. The Saxon-HE repository contains current releases, while the Saxon-Archive repository contains older releases and other content migrated from SourceForge.

3 October 2022
There has been a 20% shift in the USD-GBP exchange rate over the past six months, with severe fluctuation in the last few weeks. In an attempt to keep our USD prices stable, we have increased our GBP list prices across the board by 20%. Existing contracts and quotations will be honoured. When ordering offline, please let us know whether you prefer to be invoiced in GBP, USD, or EUR.