• 300+ fast, extensible controls

    Ban the bloat! These optimized, modular controls are incredibly lightweight, and built to be extended

  • Powerful server-side Web API

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

  • Complete versions of 8 .NET platforms

    From newbie UWP to ASP.NET Core and on back to our exclusive ActiveX collection, you'll get eight platforms of first-class .NET controls. Includes WinForms, WPF, UWP, ASP.NET MVC and Web Forms, ActiveX, Silverlight, and LightSwitch

  • Universal, easy-to-read API

    Using the same control in two platforms? No problem. Our universal, familiar API is based on Microsoft's API, and is unified across platforms for easy migration and short learning curves

  • Specialized controls for enterprises

    Take your enterprise apps even farther with FinancialChart, OLAP, FlexPivot, and FlexReport Designer source code

  • Full Visual Studio 2017 and Windows 10 Support

    Seamless Visual Studio 2017 integration means you won't compromise functionality for older apps, and you'll still get full support for modern operating systems

Specialized Controls

These specialized controls and services are available only in ComponentOne Studio

.NET Spreadsheet Control


Develop a familiar, Excel-like experience with a fast, lightweight spreadsheet control. Available in ASP.NET MVC and WPF.

.NET OLAP Pivot Table


Process and aggregate millions of rows in milliseconds. Available in WinForms, ASP.NET MVC, WPF.



A server-side API to empower and extend your web apps

.ET Financial Chart


Build sophisticated financial dashboards quickly and easily with this 8-chart control



Increase your productivity with a Visual Studio-based spell-checker

.NET MultiRow Grid


Wrap grid columns to use multiple rows to represent a single record. Available in ASP.NET MVC

FlexReport Designer Source Code

FlexReport Designer Source Code

Customize the FlexReport Designer when you dig into the source code

What's New

What's New in ComponentOne

Dashboard layout in WinForms and ASP.NET MVC

Create BI dashboards with the new Dashboard Layout control in WinForms and ASP.NET MVC.

Add flair to your navigation and layout with the TabPanel control for ASP.NET MVC.

New barcodes have been added to WinForms, WPF, and UWP. Learn more.

HeatMap and Histogram variations have been added to several platforms in FlexChart. Learn more.

Platform-specific enhancements have been added to FlexGrid, input controls, and more. Read the full What's New page for details.

What's New View Roadmap

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Discuss your issues with thousands of other users in our monitored forums

Keep costs low with our royalty-free licensing and subscription model that includes three major releases!

Take advantage of unlimited phone support and expedited ticket times with Platinum Support

Award-winning Controls for .NET Platforms

GrapeCity, 2 Publisher, ComponentSource

#2 Publisher
2018 ComponentSource

ComponentOne Studio Enterprise, Top 10 Product, ComponentSource

ComponentOne Studio Enterprise
Top 10 Product
2018 ComponentSource

ComponentOne Ultimate, Top 25 Product, ComponentSource

ComponentOne Ultimate
Top 25 Product
2018 ComponentSource

ComponentOne WinForms Edition, Top 25 Product, ComponentSource

ComponentOne Studio WinForms Edition
Top 25 Product
2018 ComponentSource

ComponentOne ActiveX Edition, Top 25 Product, ComponentSource

ComponentOne Studio ActiveX Edition
Top 50 Product
2018 ComponentSource

ComponentOne FlexChart, Bronze, Chart, Gauge, Graph and Flow

ComponentOne FlexChart
Bronze, Chart, Gauge, Graph and Flow
Visual Studio Magazine’s 2017 Reader’s Choice Awards