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.
Wunderlistux - An electron wrapper for wunderlist made with love for Linux (specially for elementary OS)
Makerlog Menubar - Log your tasks openly, faster than ever before! 🔥🚢
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.
Mirakel - An easy to use and lightweight To-Do App.