We provide open source code for our default web client. Each commit of our code has a build artifact.
So, you can fetch the source code, develop and customize it and compare with our official builds.
Please contact our support to clarify with actual branch.

Current branches:
WC3 – wcs_video
RSGW for Wowza3 – master
RSGW for Wowza4 – rsgw-wz4