Fedora has been participating in Google Summer Of Code for a long time and we have had good experience with this. Our process is to call for mentors on mailing lists and community blogs after we apply for the the program. But this doesn’t mean you have to wait for the call for mentors, you can anytime propose a project and we work with you to polish it and try to find the best place for it (be it outreacy or GSoC). We gather project ideas on Mentored Project issues.
Thank you everyone for submitting a project idea in the past and we are looking forward to have more of participation from you all.