Radzen Blazor is the most sophisticated free and open-source (MIT, including commercial use) UI component library for Blazor, featuring 155+ native components including DataGrid, Scheduler, Gantt, PivotDataGrid, an Excel-like Spreadsheet with formulas and XLSX import/export, and 30+ chart types drawn in C# as SVG, the most complete AI toolkit for Blazor - AIChat with tool calling, approvals and attachments, AIPrompt, InlineAIPrompt and SmartPasteButton on Microsoft.Extensions.AI, working with any OpenAI-compatible provider - and free Material, Standard, Default, Humanistic and Software themes in light and dark.
Tentative categories were assigned with moderate confidence (0.5 to 0.75): they are shown, but they do not count toward a category’s momentum. How categories work
Derived by Crest of Tech from two observations of NuGet’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.
7 days
Collectinghistory
Collecting
30 days
Collectinghistory
Collecting
90 days
Collectinghistory
Collecting
1 year
Collectinghistory
Collecting
Adoption history
Adoption historydownloads, all time
Observations in this range began OCT 5, 2026. The chart appears after 7 observations; 2 so far. Collecting history.
Radzen Blazor is the most sophisticated free UI component library for Blazor, featuring 145+ native components including DataGrid, Scheduler, Charts, and advanced theming with full support for Material Design and Fluent UI. If Radzen Blazor is useful to you, a ⭐ on GitHub helps other Blazor developers find it.
