Virindi Views
From VirindiPlugins
Virindi Views is a Decal service that provides an alternative to the builtin Decal windowing system, for plugins that support it.
Virindi Views supports window themes, custom titlebar controls, low-level HUD drawing in derived controls, window resizing, multiple windows displayed at once, partial and whole-window transparency, and dynamic control addition/deletion. It is currently built on the DecalRender HUD Service, giving impressive framerate performance.
Plugins built on Virindi Views can optionally use the Virindi View Connector, which allows them to fall-back to using Decal windows if Virindi Views are not available.