A popular form of Agile is Scrum, where you build your product in multiple sprints based on the importance of the features you are building.
A popular form of Agile is Scrum, where you build your product in multiple sprints based on the importance of the features you are building. Scrum is a widely adopted framework by many software product teams. There are other Agile methodologies to choose from based on the scale and structure of your startup, such as Kanban.