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DEVcember is Here! Learn How You Can Save Up to 40% (and Maybe More!)

DEVcember is Here - Save Up to 40%!

DEVcember is Here!

A Powerful Suite of C# .NET UI Controls

Complete your .NET applications faster and with more features using our trusted toolkit of .NET controls. Expand your toolbox with access to 400+ .NET UI controls, including:

Download Free Trial (2024 v2) Request a Demo

The 2024 v2 release is here!

Get .NET 9 support, Office 365 themes and more!

Discover what's new.

Explore Popular .NET Platforms

ComponentOne is a complete suite of fast, flexible and feature-rich .NET UI components and controls including grids, charts, input, reporting, layout and more. Written in C# and VB.NET, our powerful tools support the entire .NET stack.

First Class Support - Let Us Help You

We’re here to help you achieve your .NET project goals, big or small.

24-Hour Response Time

Get timely responses to your technical questions from our support team within 24-hours with Platinum Support.

Full Access to Online Resources

Access our online resources at any time including documentation, videos and samples.

Six Updates Per Year

With six updates per year (2 major and 4 maintenance releases), rest assured you won’t wait as long for addressed issues to be fixed.

Enterprise Support

Got a large team or urgent requirements? Ask about our new Enterprise Support option for the most complete support coverage.

See support plans

Search Our Knowledge Base

Our all-in-one search tool provides results across all online resources plus our community forums, knowledgebase and blogs.

Search online resources

Online Ticket System

Submit technical questions or issues quickly and easily through our online support ticket system.

Submit a ticket

Why Choose ComponentOne .NET Controls?

Cross Platform Chart

400+ .NET UI Controls

Complete your toolbox with hundreds of more advanced C# .NET UI controls and data management components for desktop, web and mobile applications.

Quick, and Easy to Use .NET Controls

Quick and Easy-to-Use

Our C# .NET UI controls speed up development time with easy-to-use designers, more built-in features, time-saving samples, and rich, flexible APIs.

The Best .NET Datagrid

The Best .NET Datagrid

Get FlexGrid, the industry's longest supported and most trusted WinForms datagrid. Now supported across every .NET platform.

Trust Our 20+ Years of Experience

Trust Our 20+ Years of Experience

Though sold under different companies, ComponentOne controls have been developed since .NET 1.0 and trusted by over 250,000 developers.

.NET 9, NuGet, and VS Support

.NET 9 and NuGet Support

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

Royalty-Free, Unlimited Distribution

Royalty-Free, Unlimited Distribution

Our simple licensing model makes distribution and deployment a breeze because the components never expire.

First-Class Support

First-Class Support

Let us help you accomplish your .NET project goals. Get timely responses to your technical issues from our dedicated support team.

JavaScript UI Wijmo Controls

JavaScript UI Wijmo Controls

ComponentOne Studio Enterprise includes access to Wijmo, 100+ JavaScript UI controls with Angular, React and Vue support.

What's New in ComponentOne 2024 v2

Our second major release for 2024 is now available! Release highlights:

  • .NET 9 support across entire Studio
  • Production-ready Microsoft Office 365 Themes for WinForms & WPF
  • FlexGrid clipboard and TreeGrid enhancements for WPF, Blazor and .NET MAUI
  • FlexChart zoom & pan enhancements for WinForms
  • View documents and reports in WinUI 3.0 apps with FlexViewer (beta)
Schedule a demo with the ComponentOne product manager to help get you started

Easy Licensing and Distribution

Manage your licenses through your MESCIUS 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

Explore All .NET Platforms and Editions

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

ComponentOne Customer Feedback and Awards

Five Star Rating

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

RICHARD HERBERT

Five Star Rating

"Excellent product with good support"

MIKE WEBSTER

Five Star Rating

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

SAM COLE

ComponentSource Award 2023 #2 Publisher ComponentSource Award 2024 Top 25 Product
Microsoft

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

KEN SPENSER, MICROSOFT REGIONAL DIRECTOR - FRAMEWORK MASTERS

Trusted by the World's Leading Companies