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How can we help you build with more clarity?
Find practical guides for setting up your Startup Brain, making better founder decisions, organizing execution, and building a weekly review habit.
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Getting started
Set up your account, create your Startup Brain, and understand the CofounderOS workflow.
Open guideStartup Brain
Store product context, customers, problems, roadmap notes, feedback, risks, and founder goals.
Open guideDecision Room
Use structured decision-making to challenge assumptions, weigh risks, and choose next actions.
Open guideExecution
Organize ideas, tasks, validation work, and roadmap items into Now, Next, Later, Validate First, and Kill.
Open guideWeekly Review
Build the weekly accountability habit that keeps the company moving.
Open guideInvestor Updates
Draft founder updates for advisors, mentors, accelerators, and future investors.
Open guideAccount & billing
Manage profile, workspace, password, billing status, and account settings.
Open guidePrivacy & email preferences
Manage cookies, unsubscribe options, email preferences, and startup data expectations.
Open guideStill need help?
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CofounderOS keeps your startup context, decisions, and execution in one calm workspace.