Welcome to the <xweld/> Community, home of the <xweld/> JAVA financial class library for quantitative finance, a feature rich platform based accelerating the development of capital markets applications based on the Spring Framework. The <xweld/> JAVA SDK provides significant benefits for large-scale Spring-based financial software development projects, such as increased project quality as well as reduced delivery risk and timelines.

The <xweld/> Community Mission Statement

Deliver more. Faster. Cheaper.

We evangelize industry standards and leverage them wherever possible to deliver pre-built, reusable, high value-add, configurable application components that greatly accelerate and significantly de-risk the development of enterprise-scale global markets applications.


<xweld/>-SDK Java Financial Library - a suite of layered Java class libraries built on the popular Spring Framework that supports audited Spring profiles for application configuration, yield, repo, credit, fx and zero rate curves, schedules, a reference trade class hierarchy, market data, a configurable valuation framework, currency conversion, day count conventions, holiday calendars and much more.

Issues and Feature Requests

If the SDK is missing a feature or has a defect, you can fill out a feature request or a bug report in our issue tracker. When creating a new issue, please provide a comprehensive description of your concern or request. If the issue is related to a defect or bug fix it is crucial that we can reproduce your problem. For this reason, entire debug logs, POMs or most preferably little demo projects attached to the issue are very much appreciated. Of course, patches and suggestions are welcome, too.


The <xweld/> Java SDK is licensed under commercial terms, and full participation in this site requires a license.

Contact Us

For more information, please contact us at


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Latest news

<xweld/> - software development kit (JDK): <xweld/> Is Part Of The Spring Ecosystem
As of revision 5.1.1, the <xweld/> Financial Application JDK now leverages the power of the Spring 4+ Framework.
Added by John Free almost 7 years ago

<xweld/> - software development kit (JDK): <xweld/> Tools Version 3.4.2-FINAL is out
The release of <xweld/> 3.4.2-FINAL has been promoted to FINAL status.
Added by John Free over 8 years ago

<xweld/> - software development kit (JDK): <xweld/> Tools Version 3.3.1-Final is out
Version 3.3.1-Final has been promoted to production-ready status and is available for distribution to licensed parties.
Added by John Free almost 9 years ago

<xweld/> - software development kit (JDK): <xweld/> Tools Version 3.2.3-FINAL is out
Version 3.2.3-FINAL has been promoted to production-ready status.
Added by John Free almost 10 years ago

<xweld/> - software development kit (JDK): <xweld/> Community Home Page
The <xweld/> Community project page is online.
Added by John Free almost 10 years ago

View all news