Onebrief provides software designed to improve the planning processes for military and defense organizations. Its main product simplifies complex plans into reusable cards, allowing for real-time updates and changes. This functionality helps users, including commanders and staff officers, to respond quickly to evolving situations, thereby speeding up decision-making. Unlike other planning tools, Onebrief focuses specifically on the needs of defense personnel, reducing the time spent on traditional planning tasks like creating slides. The company operates on a subscription-based model, offering its software as a service (SaaS) to clients. Backed by Y Combinator and trusted by top venture capitalists, Onebrief aims to enhance efficiency and collaboration in defense planning.