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The Document Type Definition (DTD) serves as a template for an XML document, outlining the structure and content of its elements, attributes, and their relationships. DTD validation ensures adherence to this template, guaranteeing that an XML document adheres to its strict rules and facilitating seamless data exchange among XML-based applications.
Several Structured Document Tools that support DTD validation, including:
For an in-depth analysis of features and price, visit our Structured Document Tools comparison.

The ComponentOne Studio range by MESCIUS (formerly GrapeCity) is a comprehensive suite of UI controls for building rich, responsive, and cross-platform applications. It provides a wide range of components for desktop, web, and mobile development including high performance datagrids, charts, reporting components, dashboards, and other UI controls.
The release of .NET 8 has brought significant performance enhancements, and MESCIUS has announced that its extensive library of components is now updated with support for the latest .NET release. This ensures that developers can reap the benefits of the framework's performance improvements. For example, layout and scrolling performance in the Blazor FlexGrid are up to five times faster than in .NET 6 thanks to AOT (Ahead-of-Time) compilation in WebAssembly.
Developers can now effortlessly embark on their .NET 8 projects with the introduction of pre-configured templates for WinForms, WPF, ASP.NET MVC, WinUI, and MAUI. These templates, tailored for both C# and VB, provide a seamless path to building high-performance applications in the latest version of .NET.
To see a full list of what's new in version 2023 v3, see our release notes.
For more information, visit our ComponentOne Studio product pages:

Scriptcase is a RAD platform that simplifies PHP web application development. Its drag-and-drop interface, code generation capabilities, and database integration make it a user-friendly tool for both experienced programmers and non-technical users. By streamlining the development process, Scriptcase accelerates the time to market, reduces coding effort, enhances productivity, lowers costs, and improves user experience.
The Scriptcase V9.10 release adds a new security module that provides System Administrators with total control over user access. The module supports multiple access methods including login, email, or both. It also allows sysadmins to define user creation rules, and adds the option to use two-factor authentication (2FA).
To see a full list of what's new in version 9.10.000, see our release notes.
For more information, visit our Scriptcase product page.

Several Infragistics products have changed in price effective December 7, 2023. Infragistics Ultimate now includes App Builder - a cloud-based WYSIWYG tool designed to simplify user interface design and development. The new pricing for each product is shown below:
| Product | USD ($) | EUR (€) | GBP (£) |
|---|---|---|---|
| Indigo Design Essential * | $495 | €435 | £385 |
| Indigo.Design ** | $1,695 | €1,495 | £1,295 |
| Infragistics Ignite UI | $1,295 | €1,135 | £995 |
| Infragistics Professional | $1,495 | €1,315 | £1,155 |
| Infragistics Ultimate | $2,245 | €1,975 | £1,735 |
| Infragistics Ultimate UI for ASP.NET Web Forms | $1,595 | €1,395 | £1,225 |
| Infragistics Ultimate UI for Windows Forms | $1,195 | €1,055 | £925 |
| Infragistics Ultimate UI for WPF | $1,195 | €1,055 | £925 |
| Infragistics Windows Forms Test Automation for IBM *** | $2,995 | €2,635 | £2,295 |
| Infragistics Windows Forms Test Automation for Micro Focus UFT *** | $2,995 | €2,635 | £2,295 |
| Infragistics WPF Test Automation for Micro Focus UFT *** | $2,995 | €2,635 | £2,295 |
Log on to ComponentSource and visit the links above to see your personalized discounted prices in your local currency.
Prices shown are SRP for 1 Seat New Perpetual Licence with 1 year Standard Support subscription except:
* 1 Year Annual Subscription License with Professional Support
** 1 Year Annual Subscription License with Enterprise Support
*** Includes Priority Support

PostgreSQL, often referred to as Postgres, is a powerful, open-source object-relational database management system (RDBMS) that emphasizes extensibility and SQL compliance. The ability to connect to PostgreSQL data sources within your IDE streamlines the development process, enabling developers to write, debug, and deploy applications without switching between multiple tools. It also provides a centralized interface for managing database schema, data, and security, enhancing the overall development experience.
Several IDEs offer PostgreSQL connection support, including:
For an in-depth analysis of features and price, visit our IDEs comparison.