rivva – AI task manager scheduling your day around cognitive energy

Summary: rivva is an AI-powered task manager and calendar planner that schedules tasks based on your cognitive energy and availability. It integrates tasks, email, and calendar data with signals from sleep and energy patterns to optimize when demanding work is done.

What it does

rivva combines your tasks, calendar, and email to organize and schedule work around your natural energy fluctuations. It uses AI to plan tasks during peak focus times, incorporating data from wearables and cognitive load to improve productivity.

Who it's for

It is designed for founders, executives, and high-output professionals seeking a productivity system aligned with human cognitive rhythms.

Why it matters

rivva addresses the mismatch between traditional scheduling and human attention limits by managing energy rather than just time, helping users avoid overload and improve work quality.