DJ Mixer Professional uses the following LGPL libraries:
wxwidgets taglib libxml ffmpeg (src) glew zlib iconv oggvorbis
You can download the latest versions of these libraries from their corresponding websites, but usually DJ Mixer Professional already contains the most recent versions of them.
You will also get a copy of the LGPL license with the software itself. We are grateful to all the people that work(ed) on these libraries. Thank you all!