If you would like to sponsor CEF Python development efforts and see your company logo with a link on the project's main page in the Sponsors section in README, please contact Czarek directly - contact details are available in his Resume. That README page alone has 1,074 visitors and 2,802 views every two weeks, so your company logo and a website link will be visible to many Python developers. The statistics are from May 29, 2018. See the screenshot with complete statistics below: