Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Mater - This is a minimal menubar Pomodoro app written in Electron.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.
PomoPlanner - PomoPlanner.app is a pomodoro-based daily planner webapp that allows you to plan and track your main daily tasks, mini-tasks, physical exercise but also to take notes on things you're grateful about, things you've learned and more!