OmniFocus, Pomodoro, Session - Pomodoro Timer, Sorted, Pomodone, Tomighty, YAPA-2, PomoTimer.io, Marinara: Pomodoro® Assistant, FocusList, PyPomo, Pomodoro-timer, Pomello, Gnome Pomodoro, Pomodroido, TomatoDoer, Pomodorium, Cherry Tomato, Focus Timer Reborn, Timer Blocks, Doing, PomoTrackr, Pomodoro Tasks, Targability.com, ClearFocus, FocusBit, Brutu Timer, Pomo Timer are some alternatives to Pomotodo.