WebFWD (Web Forward) is the new Innovation Accelerator from Mozilla

I don't think they're dictating what you build (work for hire) nor asking for any ownership stake in it (taking investment). They're just letting you show up with your own project and offering free consultations and enough for room and board, and all they get out of it is warm fuzzies and the same open source license you're giving everyone else.

"What will I eat and where will I sleep during the 4-week Bootcamp program?

We give an allowance of $2,000 per team member for the 4 weeks of the program (up to $6,000 total per team). This is enough money to find a nice apartment and eat plenty of food (not only ramen). We also have plenty of free coffee."

Although for the bigger program, there seems to be no money involved.