This page lists a number of MyHDL users and projects. The best thing you can do to support MyHDL is to add your project here and let people know about it!
Dillon Engineering uses MyHDL in its verification flow. Read more about it here.
Christopher L. Felton has used MyHDL for student projects at the University of Colorado, Colorado Springs. Using MyHDL for DSP algorithm to hardware implementations. Also uses MyHDL in a USB FPGA project (MyHDL USB FPGA page).
More examples/projects under development here.
Jan Decaluwe is the creator and maintainer of MyHDL, and he uses MyHDL in his consultancy practice. He also writes about HDL-based design.
David Brochart uses MyHDL in his open-source Turbo Decoder project.
David MacQuigg uses MyHDL in a Lab Course at the university of Arizona.
Jean Demartini uses MyHDL to support a teaching course “Programmable Digital Processor Architecture” at the Engineering School of the University of Nice Sophia-Antipolis (ESINSA).
George Pantazopoulos has built an digital/analog hybrid synthesizer (codenamed the PhoenixSID 65x81) based on the Commodore 64's 6581 'SID' sound chip.
George has also released some open-source MyHDL IP cores, and has worked on an extension library to MyHDL.