Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists. It is designed for composite tasks, and also offers effort tracking, categories, notes and more.

Any.do is an award-winning app used by millions of individuals, families and teams to stay organized and get more done.

This application allows you to manage your tasks. The following features are provided:

Achieve a calm planning space for tasks and ideas with Prostir. Its user-centric design integrates notes, ideas, and plans, making organization effortless while focusing on well-being and productivity.

Plan combines all of your calendars, projects, tools, and documents into one intuitive place - the central hub for your work-life.

Track your tasks and projects in a plain text file, todo.txt. A todo.txt is software and operating system agnostic; it's searchable, portable, lightweight and easily manipulated.

2Do lets you take a completely different approach to managing your tasks. With its extremely simple-to-use interface and a comprehensive and flexible set of powerful features, it lets you focus on what's most important to you: your life.

Joi Planner is an all-in-one app that brings together your calendar, to-do list, and habit tracker into a single timeline and gives you a clear overview of your day.

Hone helps you manage your time in a more mindful and productive way, do your best work, and replace your distractions with focus.

Kalendar is a Kirigami-based calendar application that uses Akonadi. It lets you add, edit and delete events from local and remote accounts of your choice, while keeping changes syncronised across your Plasma desktop or phone.

Todo app that uses cognitive psychology to trick brain into completing tasks and feeling good about it

A simple task management application for the COSMIC desktop.