Agency OS is the complete Notion operating system for freelancers and micro-agencies: an 8-stage CRM, projects, tasks, branded client portals, invoicing with a follow-up cadence that gets you paid, meeting notes, and 6 pre-written SOP playbooks — all connected with working rollups. Ships with a realistic sample agency pre-loaded so you learn by exploring. Duplicate it, add your clients, and be live in under an hour. Works fully on Notion's free plan, including client portals.