iRacing Input Telemetry Overlay is an open-source Python-based project that provides real-time telemetry from iRacing, displaying input data both through a web interface so you can put it on programs ...
AOT PHP AST overlay: rewrite classes/files before load; serve stubs via file stream wrapper. No runtime monkey patching. - NekoOs/php-ast-overlay ...
You can see how effective it is by clicking the image on the above page. The lightweight JavaScript effect library called "moo.fx" is used in Litebox.