Productivity
A to-do list, priority matrix and habit tracker; stopwatch, countdown, Pomodoro and interval timers that keep time in a background tab; and fair random pickers. 8 tools, all free.
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Timers
Several timers at once with a talk timer, a stopwatch with laps, countdown, Pomodoro and interval (Tabata) timers.
Planning
A to-do list with due dates, the urgent/important matrix of the same tasks, and a habit tracker with streaks.
Pickers
Pick a random name with a spin wheel, or split a group into fair teams.