XStandard 3.0 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The software is included in Development Tools. The actual developer of the program is Belus Technology, Inc. The most popular version of the software 3.0. We recommend checking the downloaded files with any free antivirus.
From the developer:
You are here: HomeXStandard version 3.0 for Windows/OS XXStandard is the leading standards-compliant WYSIWYG editor for desktop applications and Web-based content management systems. For desktop applications, use XStandard in Visual Studio, Access, VB and VC . For Web-based applications, XStandard runs in IE, Firefox, Safari and Opera.
You may want to check out more software, such as Xstandard Lite or FlowChartX Standard Edition, which might be related to XStandard.