Welcome
  X# is an open source development language for .NET, based on the xBase language. It comes in different flavours, such as Core, Visual Objects, Vulcan.NET, xBase++, Harbour, Foxpro and more. X# has been built on top of Roslyn, the open source architecture behind the current Microsoft C# and Microsoft Visual Basic compilers.
 

If you want to support the development of X# or if you want frequent updates, you can subscribe to the Friends Of XSharp (FOX) program.

It has been quiet on this website during the summer, but that does not mean that we have been idle: we have worked very hard on the upcoming build of X# 3. You can expect some new features in the compiler (for example primary constructors and a new XBaseNet dialect).

We have also worked on optimizing performance of late bound code in the runtime and adding missing VFP function.

Our VFP Exporter and VFP UI library have also been updated, to make it easier to migrate your VFP applications.

And we have made some changes in the VS integration to better support SDK style projects. We have also made some changes to imprive the performance of our project system for very large solutions.

We expect that this new build of X# will go in Beta in the coming weeks.

Apart from that we have also worked on a new XSharp.Printing library that allows you to run ReportPro reports as well as VFP reports.
This is a fully managed solution on top of the Windows.Forms printing classes. More information about this will follow shortly, 

We have also improved the SQLRDD and will publish a new (final?) beta in a few weeks as well. We have received some help from a few customers that are testing this SQL RDD in their apps.

The release of X# 3.0 marks a big step on our goal to eventually support porting Visual Fox Pro applications to X# with minimum changes: A lot of VFP commands and functions have now been fully implemented, the compiler support for VFP syntax and the DBFVFP driver in X# have been further enhanced and many bugs have been fixed.

But we know we are not there yet, as it is still not practical to port real-life VFP applications to the current X# version, but we are working hard on it. This what we currently have under heavy developement:

Today, we have released a public installer for XSharp Gaia 3.0,1.

The "What's New" document, describing all the changes, can be found here:

What's new in X# 3
Popular 3.0.0.4 252.48 KB 		2026-05-27

The public installer can be downloaded here:

This installer contains support for the Core, FoxPro, Xbase++ and Harbour dialects. It does NOT contain support for the VO and Vulcan dialects. If you want to use X# 3 for VO or Vulcan dialects, then you need to become a FOX subscriber.

Please remember: we need your financial support to keep this product alive.

We are happy to announce that we have released the installer for X# 3 today.
This release is available for download for subscribers from the following location:

The readme with the changes can be found here:

What's new in X# 3
Popular 3.0.0.4 252.48 KB 		2026-05-27

A public release of X# 3 will follow shortly. This public release will work for the Core, FoxPro, Xbase++ and Harbour dialects.
If you need X# 3 to build your Visual Objects or Vulcan programs then now it is time to become a FOX subscriber:
https://www.xsharp.eu/store/shop/Friends-Of-XSharp-Program-One-Year-p301068223

Use the coupon code XS3JUNE2026 for a 25% discount on the regular price for a subscription. This discount code is valid until August 31, 2026.

An updated version of the Xs2Ado installer has already been uploaded to this website.

Updated installers for ReportPro 2 and 3 will follow.

For other 3rd party products please contact the author.

Introduction.

In April 2027, we are organizing our fifth European conference, following successful events in 2022, 2023, 2024 and 2026.
With the help from two German customers, we have found a great location in the historic town of Karlsruhe, not far from Stuttgart.
We will present the current state of the X# development and show how to migrate your apps to XSharp. Furthermore, we will also discuss the internals of X# and how you can extend X#. Finally, we will discuss our future plans, and showcase some work in progress. 
This summit is structured to encourage open and facilitated face-to-face discussions and idea-sharing among all attendees. Refreshments will be provided throughout the day, with scheduled lunch and snack breaks.

Location.

The event will take place at the following hotel:
Hotel Der Blaue Reiter
Amalienbadstraße 16
76227 Karlsruhe
Tel. 0721/94266-0
info@hotelderblauereiter.de
www.hotelderblauereiter.de
Germany

 potsdam

 

Agenda.

We have uploaded the what's new document for XSharp 3 to this website.

You can find it here:

What's new in X# 3
Popular 3.0.0.4 252.48 KB 		2026-05-27

This is the status of X#Sharp 3 RC1 that was released today (May 27th). 

When no problems are found we expect to release XSharp 3 to our subscribers in the next 2 weeks.

A public version of XSharp 3 (mainly targeted at the VFP audience) will become available 1-2 weeks later.

Please note that the public build of XSharp 3 will NOT support the VO and Vulcan dialects, like announced before.

The files from the presentations at our Summit in Potsdam are now available for download:
https://www.xsharp.eu/itm-downloads?folder=general%252FPotsdam2026

Please note that these are only available for attendees. And some of the examples require XSharp 3!

A summary of the roadmap that was presented during the closing session

  • A release version of X# 3 is expected in April 2026. This supports:
    • VS 2026 support
    • .Net 8,9,10 support, but also still .Net Framework
    • VS /Ms build project files are so-called "SDK" style projects
    • The compiler is based on the C# 13 compiler
    • Several new language features, such as File-wide namespaces, Global Usings, FileScoped classes, Record classes, Record structures and more

The XSharp Summit 2026 in Potsdam, Germany, our 5th annual meeting, is now over. It was great meeting and talking to many familiar faces and also some new ones as well! There were several sessions on diverse and interesting topics delivered by dev team members (including Irwin, our new welcomed member) and external speakers, all very well received!

Session material (to be downloaded from attendees) and photos from the event will follow up soon.

We're looking forward to meeting you all again in our next summit, more info on that will be announced in the coming weeks, as well a summary of the plans for the future that was presented in the closing session of the event.

  1. X# 3 is almost ready - call for beta testers
  2. X# Progress Update
  3. Preliminary List of Speakers, Sessions and Session Schedule
  4. New Devteam member: Irwin
  5. Advantage Database Server - Sale of last items in Stock

X# Summit

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