rivva is an AI-powered task manager and smart scheduler that automatically captures tasks from email and other inputs, prioritizes them, and auto-schedules work around your calendar and energy rhythms; its AI assistant Nia understands natural-language commands, extracts action items, forecasts cognitive peaks from wearable data, and continuously rebalances your day when things change. Professionals use rivva to reduce decision fatigue, keep high-leverage work in peak focus windows, and get an adaptive, realistic daily plan—especially helpful for busy teams and people with executive-function or attention challenges.