Runway is a financial modeling platform designed for startups and their founders. It syncs with your accounting and payroll systems to keep a single, live model current automatically — no manual updating of the monthly forecast spreadsheet after every payroll run. The scenario modeling feature lets you build and compare hiring plans, revenue forecasts, and runway analyses with real-time updates as assumptions change. Sharing features let you present clean financial views to investors and board members without giving them access to raw accounting systems. For early-stage founders who want financial visibility without a full-time CFO, Runway provides the modeling infrastructure that previously required either a dedicated finance hire or hours of spreadsheet management per month.