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:
FlexGrid - The Industry's Best .NET Datagrid
FlexChart - Over 80 Fast & Flexible .NET Charts
FlexPivot - Powerful Pivot Grids & Charts
FlexReport - .NET Report Engine & Designer
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Use our decision tree to find the perfect MESCIUS product for your needs. Answer a few quick questions, and our sales team will follow up with you to guide you through the next steps! Click the button below to open a short questionnaire (hosted on Typeform).
The 2026 v2 release is here! Simplify data access, create Blazor diagrams, and enhance .NET editing and visualization. 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.
Popular Cross-Platform .NET Controls
Our popular “Flex” controls are supported across WinForms, WPF, ASP.NET Core, Blazor, WinUI & MAUI.
FlexGrid - The Industry's Best .NET Datagrid
The industry's longest supported and most trusted C# .NET datagrid control.
Popular features include subtotals, custom cells, and Excel-like filtering.
Optimized for performance and now supported across every .NET platform including .NET 9 and MAUI.
FlexChart - Fast, Flexible & Financial Charts
Design limit-less dashboards with 80+ chart types.
Develop with specialized components for Cartesian charts, radar, pie, sunburst, heatmap, treemap and more.
Our Studio Enterprise Financial Chart library adds advanced chart types and indicators including Heiken-Ashi, Kagi and Renko.
FlexPivot - Powerful Pivot Tables & Charts
Deliver runtime report generation in the form of dynamic pivot tables and charts.
Allow end-users to build a summary view of their data without writing much code.
Persist views for quick access and export to Microsoft Excel.
FlexReport - .NET Report Engine & Designer
Generate reports across any .NET platform with our lightning-fast .NET Core reporting engine.
Distribute your own .NET desktop report designer, with custom branding, so your users can design their own reports.
View and print reports and PDF documents with FlexViewer.
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.
Search Our Knowledge Base
Our all-in-one search tool provides results across all online resources plus our community forums, knowledgebase and blogs.
Online Ticket System
Submit technical questions or issues quickly and easily through our online support ticket system.
Why Choose ComponentOne .NET Controls?
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
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
Get FlexGrid, the industry's longest supported and most trusted WinForms datagrid. Now supported across every .NET platform.
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 10 and NuGet Support
Build apps that target the latest version of .NET with seamless Visual Studio 2026 integration and NuGet package distribution for easy maintenance.
Royalty-Free, Unlimited Distribution
Our simple licensing model makes distribution and deployment a breeze because the components never expire.
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
ComponentOne Studio Enterprise includes access to Wijmo, 100+ JavaScript UI controls with Angular, React and Vue support.
What’s New in ComponentOne 2026 v2
The ComponentOne 2026 v2 release is here! From productivity enhancements to powerful new features and UI components, we've packed this update with improvements designed to help developers build faster and accomplish more.
Introducing Data Wizard (Beta) for code-free data connectivity, query design, and data binding in Visual Studio
Import and export Microsoft Word (DOCX) and RTF files with enhanced rich text editing with ComponentOne Editor for WinForms
New Hamburger menu control for WinForms
New Diagramming component, FlexDiagram for Blazor
Highlight key thresholds across all .NET platforms with FlexChart Range Zones
Gain more control over FlexGrid filtering with new conditional filter menus across WPF, WinUI, and Blazor
Easy Licensing and Distribution
Manage your licenses through your MESCIUS account.
Licensing FAQ
ComponentOne is licensed per developer on a yearly subscription basis. You can build and publish unlimited .NET applications using ComponentOne controls during your subscription period. Published applications are royalty-free and never expire.
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.
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.
Featured Blogs, Videos, and Other Resources
Explore All .NET Platforms and Editions
For development platforms new and old, ComponentOne has you covered.
* Unsupported (Licensing still available)
ComponentOne Customer Feedback and Awards
"Prompt responses, quality feedback, and help with code examples. Fantastic service!"
RICHARD HERBERT
"Excellent product with good support"
MIKE WEBSTER
"I am very appreciative of the effort your entire team gave to make this transaction happen. Thank you for your efforts!"
SAM COLE
