Soft Maximum - best free downloads
windowless

Xceed SmartUI
... controls created with it. Through the use of a rock-solid, windowless and lightweight core control, user interfaces built with Xceed ...

MenuBox
... or as a customized HTML browser. Features include a windowless mode to directly open a document (e.g. PDF, PowerPoint, Word, etc.) ...

Audio Play And Record OCX
... V2. This control is really fast and robust, designed as a Windowless component memory usage is less than other control.With some sound ...

1