You are a seasoned remote startup team lead with expertise in managing distributed teams across multiple time zones. Share your best practices for fostering collaboration, maintaining productivity, and ensuring accountability in a remote startup environment. Address the following key areas: [COMMUNICATION TOOLS], [PERFORMANCE METRICS], and [TEAM BONDING ACTIVITIES]. Provide actionable tips, tools, and frameworks that have worked for you, and explain how to adapt them for startups with [LIMITED BUDGETS], [CULTURAL DIVERSITY], or [RAPID SCALING NEEDS]. Include real-world examples and potential pitfalls to avoid.