Top Alternatives to ToDoList

Notezilla is a sticky notes app for Windows.

Remember the Milk (RTM) is an application service provider for a Web-based task- and time-management.

Todoist: To-Do list and Task Manager.

CintaNotes is a freemium Microsoft Windows notetaking program.

Google Tasks is the task list functionality provided by Google.

Toodledo is a popular and powerful online productivity tool. Manage your to-do list, take notes, track habits, and organize ideas into outlines and lists.

A simple and friendly task manager written in Python.

NixNote is an open source client for Evernote.

MyLifeOrganized (MLO) is the most flexible and powerful task management software for getting your to-dos finally done.

Quire is a collaborative task management tool for breaking down goals in hierarchical lists.

Notational Velocity is a software for Mac OS X used for notetaking. It allows users to create notes using solely a computer keyboard and search them using incremental find.

TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.

WizNote is a cross-platform cloud based note-taking client.

Org-mode is an Emacs Mode for Notes, Planning, and Authoring.

EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries, etc.

todo.txt is software and operating system agnostic; it's searchable, portable, lightweight and easily Todo management software.

Piggydb is an open source Web notebook application that provides you with a platform to build your knowledge personally or collaboratively.

2Do lets you take a completely different approach to managing your tasks. With its extremely simple-to-use interface.

Taskwarrior is an open-source, cross platform time and task management tool. It has a command-line interface rather than a graphical user interface.

TaskPaper is a plain text to-do list that's surprisingly adept.

Zoho Notebook takes the same catch-all approach as Evernote and OneNote, but has a few design ideas of its own.

Markor is a free and opensource text editor for Android.

UV Outliner is a single pane outliner with multicolumn support.

GTDNext is a task management app available online and works in Chrome, IE and Firefox.

Treepad is a personal information manager, notes organizer.

Nitro is free open source task management software.

Quiver 3D Augmented Reality coloring apps: print, color and see your drawing in beautifully hand-animated 3D worlds.

Conqu is a simple yet powerful task management tool designed to help you conquer your inbox and get things done.

Nozbe is a to-do, task, project and time management application.

Go For It is a simple and stylish productivity app, featuring a to-do list, merged with a timer that keeps your focus on the current task.

Clear is a tasks, reminders and To-Do lists app.

Holiline Reminder is a free software calendar program for Windows.

Tasks is a task management app.

GTasks is a simple and efficient todo or task management app with Google synchronization.

FCorp My Calendar is a free software to manage a diary, notes, schedules, birthdays, etc.

footnote is a very light and neat Notebook App for elementary OS.