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Merging PDFs in a PDF viewer allows users to combine multiple PDF files into a single, unified document directly within the viewing application, without the need for external tools. This capability improves document management by preserving original formatting, page order, and visual consistency while reducing file clutter and simplifying sharing. By consolidating related content into one professional-looking file, users can improve collaboration, ensure clearer communication, and save time otherwise spent managing multiple attachments. Common use cases include compiling reports from multiple contributors, combining invoices or statements for record-keeping, assembling project documentation, or preparing complete proposals and presentations for clients and stakeholders.
Several .NET PDF viewer components offer PDF merging support including:
For an in-depth analysis of features and price, visit our .NET PDF viewer comparison.

List & Label by combit is a software development toolkit that helps developers to integrate comprehensive reporting functionalities into their desktop, web, and cloud applications. It offers features such as data binding, complex data visualization, and a user-friendly report designer, along with printing, exporting, and previewing capabilities. List & Label operates independently of programming languages and data sources, providing developers with the flexibility to design and deliver informative reports within their development environment.
The List & Label 31.001 update adds support for ZUGFeRD 2.4, enabling standards-compliant electronic invoices to be generated as part of existing reporting and document output processes. Developers can produce invoices that combine a conventional PDF layout with embedded XML data compatible with EN 16931, allowing the same document to be used for both visual review and automated processing. This allows current e-invoicing requirements to be met without introducing separate invoice formats or additional export logic.
To see a full list of what's new in version 31.001, see our release notes.
List & Label is licensed per developer and is available as a Perpetual License with a 12 month support and maintenance subscription. See our List & Label licensing page for full details.
List & Label is available in the following products:

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 improving the development process, Scriptcase accelerates the time to market, reduces coding effort, enhances productivity, lowers costs, and improves user experience.
Scriptcase compatibility with PHP 8.2 allows developers to deploy and maintain applications on a modern, fully supported PHP runtime, improving overall security, stability, and performance. By aligning with the latest PHP standards, developers can take advantage of ongoing language improvements, maintain compatibility with current libraries and frameworks, and simplify deployment on up-to-date hosting environments, while reducing technical debt and the risks associated with running end-of-life PHP versions.
Scriptcase is licensed per developer and is available as an Annual or Perpertual license with 1 year support and maintenance. See our Scriptcase licensing page for full details.
For more information, visit our Scriptcase product page.

Optimajet FormEngine is a drag-and-drop React form builder that lets teams create, manage, and render complex web forms without writing frontend code. It allows developers and business users to visually design forms, store them as JSON, and render them at runtime. As a React JS library, it easily integrates into existing applications while giving developers full control over form logic, structure, and data flow, making it well suited for complex data collection.
The Optimajet FormEngine v7.10.0 update introduces integration with the Material UI components library, allowing developers to build and render React forms using a widely adopted and actively maintained UI framework. This integration improves form development by reducing reliance on custom components and manual styling, while promoting consistent layout, behavior, and accessibility across applications. By aligning FormEngine with Material UI design patterns, development teams can more easily integrate forms into existing React projects, improve maintainability, and deliver modern user experiences with less effort.
To see a full list of what's new in version v7.10.0, see our release notes.
Optimajet FormEngine is licensed based on usage type (internal commercial use, public web/SaaS, or OEM embedding), number of domains for the visual editor, and access to additional ready-made components. Licenses are perpetual and include 6 months or 1 year of updates and support. See our Optimajet FormEngine licensing page for full details.
For more information, visit our Optimajet FormEngine product page.

ComponentSource and SurveyJS have spent the past year working together to bring form building and survey automation tools to developers and organisations worldwide. SurveyJS is known for its flexible, client side JavaScript components that make it easy to create, customise, and manage forms and surveys across modern web applications, with support for frameworks such as Angular, React, and Vue. Built around a JSON based architecture, SurveyJS enables teams to integrate advanced form functionality into existing systems without backend restrictions or long term maintenance overhead.
At the heart of the SurveyJS product lineup is SurveyJS Creator, the flagship visual form builder available through ComponentSource. This highly configurable tool allows users to design complex forms and surveys through an intuitive interface, while retaining full control over appearance, behaviour, and data structure to meet precise project requirements.
Through this partnership, ComponentSource strengthens its portfolio of developer focused tools by offering a proven, highly customisable form solution that complements its wider range of UI and application development products. By working closely with SurveyJS, ComponentSource helps deliver these solutions to a global audience, providing licensing, support, and reach that enable the SurveyJS brand to scale internationally while giving customers access to trusted, best in class technology.
Learn more about SurveyJS.