Qt 的 ActiveX 和 COM 支持允许 Qt for Windows 开发者：
有关 Qt 使用 ActiveX 的更多信息，见 在 Qt 中构建 ActiveX 服务器 .
ActiveQt 框架由 2 模块组成：
一组 tools 的提供，是为简化使用 ActiveX 的 Qt 工程的开发和构建。
QAxContainer and QAxServer 模块在商业许可下是可用的来自 Qt 公司 。此外，它们是可用的在 BSD 3 条款新 (或修订) 许可 :
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见 Qt 许可 进一步了解细节。