Tools -> DVD Demuxer Tool (DDTool)
This tool is a GUI for PgcDemux and mplex, allowing you automate the process of demuxing multiple features.
Current version:
DDTool Version 2.21 - (4th Jun 2009)

Requirements: Java 6, PgcDemux & mplex (MJPEG Tools)
For help, see the guide.
Version 2.21 (4th Jun 2009)
- Small bugfix to correct link to mplex site