For WinForms Developers //  LTS

Modern UI
Toolkit for
{ .NET }

An elegant suite of intuitive UI controls, components, and libraries —
perfectly polished to deliver an efficient, aesthetically pleasing Apps and world-class developer experience.

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KimTools Free Edition

You Asked, We Listened.

KimTools Free Edition is coming — a curated set of essential controls built with the same quality, performance, and modern design standards as the PLUS+ suite.

No compromise on rendering fidelity. No watered-down controls. Full access to the DPI-aware, theme-ready foundation that makes KimTools stand out.

Join the waiting list

* We'll notify you the moment the Free Edition is ready for download.

Built by developers
who felt the gap.

For years, we've watched the WinForms community feel sidelined as the world of modern design moved on.

As the creator of the Bunifu Framework and a multi-year Microsoft MVP, our founder built this ecosystem because we believe you shouldn't have to choose between the reliability of .NET and the beauty of modern software.

KimTools Table
KimTools Free Edition
Visual Studio + Rider

What you see.
Is what you get.

Kimtools Designer is a WYSIWYG powerhouse for WinForms that replaces static properties with a semantic theme engine and integrated color tokens.

It bridges the gap between design and code with a VsCode-style markup editor for real-time HTML/SVG editing, an integrated icon search, it allows you to visually compose modern, production-ready interfaces with instant, live feedback directly on the design surface.

C# VB.NET
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WinForms Controls & Components

By marrying a Tailwind-inspired architecture with high-fidelity rendering, we've replaced the exhausting grind of manual styling with the pure joy of low-code creation.

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Subscribe to
Our Newsletter

By joining the KimTools inner circle, you gain a significant competitive advantage in the WinForms development space. Beyond simple version updates, our newsletter provides a direct line to the technical blueprints of the ecosystem

Our subscribers receive exclusive early access to new component betas, comprehensive feature previews, and specialized tips for mastering WinForms modernization that you won't find on the public site.

Join a growing community of developers building the next generation of high-fidelity desktop applications.

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Master KimTools with
in-depth Video Demos

Every UI component comes with an in-depth screencast. In addition to production-ready components, you get training and instruction to build and modify them for yourself.



New KimTools updates, control demos, and WinForms tips posted regularly. Subscribe to stay updated.

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The Next Frontier:
AI-Ready WinForms

The KimTools Ecosystem is evolving into the ultimate AI-Ready stack, featuring an integrated MCP Server, Generative UI, and components designed specifically for human-AI collaboration.

With an AI Agent built directly into the workflow, your development experience becomes a seamless partnership where stunning, high-fidelity interfaces are generated, customized, and maintained with zero friction.

KimTools Demo