Award-Winning .NET UI Controls for Mobile, Web, and Desktop

Save time and focus more on your business logic with this complete, fast, and flexible toolkit of UI controls for .NET, JavaScript, and Xamarin.

ComponentOne includes FlexGrid, the industry's best datagrid, plus charting, reporting, input, and more controls across every .NET platform.

Download Free Trial (2023 v2)

The 2023 v2 release is now available!

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.NET UI controls are reusable design elements that help developers implement a wide variety of features in their .NET applications in less time. ComponentOne provides a complete set of high-performing, flexible .NET controls, including datagrids, charts, reports, input, and more.

Why Choose ComponentOne for Your .NET Applications?

UI Controls for Every .NET Platform

Accelerate app development across most .NET platforms including WinForms, WPF, WinUI, ASP.NET Core MVC, Blazor, MAUI, and more.

400+ Feature Rich Controls

Expand your Visual Studio toolbox with hundreds of .NET UI controls like datagrids and charts, equipped with modern styles and easy-to-use, built-in features.

Specialized Controls for Business Apps

Take your enterprise apps further with specialized controls for financial charting and BI/pivot tables built to achieve optimal performance.

.NET 7, NuGet, and VS Support

Build apps that target the latest version of .NET with seamless Visual Studio 2022 integration and NuGet package distribution for easy maintenance.

Powerful Server-Side Web APIs

Empower and extend your web apps with a server-side API that includes services for imaging, Excel, barcodes, data engine, PDF, and reporting.

Universal Data Management

Simplify your data layer with data service components for connecting, managing, and integrating data from multiple data sources.

Three Major Releases Per Year

We pledge our commitment to at least three major releases a year that include enhancements, new components, and maintenance releases throughout the year.

JavaScript UI Wijmo Controls

Studio Enterprise subscribers gain access to Wijmo's JavaScript UI—featuring 100+ JavaScript UI controls with full framework support.

Popular .NET Controls

FlexGrid - Fast and Flexible .NET Datagrid

The industry's best datagrid with top features including on-demand loading, Excel-like filtering, editing, cell customization, and grouping. 

FlexChart - 80+ .NET Chart Types

With 80+ .NET chart types and DirectX rendering, FlexChart's data visualizations will bring life to your apps. Top features include flexible data binding, annotations, scrolling, and analysis features.

FlexReport - .NET Report Engine and Designer

FlexReport's lightning-fast .NET reporting engine completes every enterprise UI toolbox. Easy migration, beautiful data visualization, and the standalone FlexReport Designer allow even the most novice developers to generate top-notch reports.

Explore All .NET Platforms and Editions

For development platforms new and old, ComponentOne has you covered.

What's New in ComponentOne 2023 v2

The ComponentOne 2023 v2 release is now available! This release offers several great new features, some of which include:

  • New WinUI charts and data filter controls
  • MAUI FlexGrid is production ready and licensed with our WinUI controls
  • WinForms FlexChart design-time enhancements
  • FlexGrid enhancements for WinForms, WPF and Blazor
  • Azure support for FlexReport
  • C1Pdf support for .NET 6+
  • New gauge UI controls for Blazor
Schedule Time with ComponentOne's Product Manager

Easy Licensing and Distribution

Manage your licenses through your GrapeCity account.

Licensing FAQ

ComponentOne is licensed per developer. Once you purchase a license, you can build and publish your .NET applications using ComponentOne controls. Licensing is perpetual and royalty-free.

Learn more about licensing

Become an OEM Partner

To create your own commercially licensed SDK or web application builder, choose the Commercial OEM license. Commercial OEM and SaaS licenses are customized per customer. 

Contact Us to Learn More

End-User Licensing Agreement

Our End-User License Agreement (EULA) includes information on ComponentOne's licensing, legal agreement, and the terms and conditions that govern software usage. 

Read the EULA

ComponentOne Customer Feedback and Awards

"Prompt responses, quality feedback, and help with code examples. Fantastic service!"


"Excellent product with good support"


"I am very appreciative of the effort your entire team gave to make this transaction happen. Thank you for your efforts!"


ComponentSource #2 Publisher 2022 Award ComponentSource #3 Product 2022 Award

"When I run into complex problems, I turn to my ComponentOne Studio Enterprise toolbox."


"I love to use C1 components! I can be confident that if I need to do a particular task, ComponentOne will have the control to do the job."


"As an ISV, I need tools that allow me to be competitive. Therefore, it's a must to use reliable and stable tools for customized solutions...ComponentOne provides all that to me and even more!"


"Easier to use right off the bat. I liked using the Scheduler for drag-and-drop capability."