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:

More than 80 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.

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Download Saxon products. Find out more about our range of software products. Buy Saxon licenses from our online store.

Due to the current Covid-19 pandemic, the Saxonica team are working from home. We are not picking up calls to the office phone number for now. Please use if you need to contact us.

Recent news

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

16 September 2021
Saxon 10.6 maintenance release for Java and .NET.

20 August 2021
Saxon-JS 2.3 maintenance release for Node.js and browsers.

6 August 2021
Michael Kay presented the paper ZenoString: A Data Structure for Processing XML Strings at Balisage: The Markup Conference 2021, Washington DC.

1 August 2021
Norm Tovey-Walsh and Michael Sperberg-McQueen presented the paper Interactivity Three Ways at Balisage: The Markup Conference 2021, Washington DC.

21 May 2021
Michael Kay presented the paper <transpile from="Java" to="C#" via="XML" with="XSLT"/> at Markup UK 2021.

1 December 2020
Revised price structure for individual Saxon-EE licenses introduced. The headline price for a single license remains at £360, but the discount structure for multiple licenses tapers more gradually, and the discount for reduced-functionality licenses (EET, EEQ, EEV) is smaller. See the Saxonica community site blog post for details.

22 October 2020
Saxon 9.9.1.8 maintenance release for Java and .NET.

12 October 2020
The Saxonica online shop now accepts payments in multiple currencies. Payments are now processed through Stripe.com.

12 June 2020
Saxon-JS 2.0 first release for Node.js and browsers.

16 March 2020
Saxon 10.0 first release for Java.

28 October 2019
Saxon/C 1.2.1 for C/C++, PHP, and Python released on Linux, Mac OS X and Windows.