Development Methodologies that Don't Exist But Could

We have Scrum, Kanban, Waterfall, Scrumfall, and so many more, but there are lots of methodologies we haven't intentionally created that could (or do) exist. Single Threaded Programming: We Work on One Thing At a TimeDeadline Driven Programming: I need X by This Deadline. Do it.Budget Driven Programming: We have $100,000.