There are many alternatives to TickTick for Windows if you are looking for a replacement. The best Windows alternative is Todoist, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to TickTick and loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to TickTick are Wekan (Free, Open Source), Org mode (Free, Open Source), Super Productivity (Free, Open Source) and Microsoft To Do (Free).
Nozbe is a to-do list software that can be used by individual users, small teams, and large organizations. The versatile and unified interface makes task management simple and effective. Nozbe is available in your web browser and apps for all major platforms.
Simple GTD application to manage your tasks and to-dos. Syncs with web server. Complete with the usual Inbox, Today, Next, Tomorrow, Scheduled and Someday "buckets" as most GTD programs have. You can also create Projects for tasks with multiple steps.
Amplenote allows you to take notes and link those notes to functional task and contacts lists for seamless project management. It supports integration with Google and Outlook calendars to schedule tasks and allows e-mail integration as well.
sleek offers a clean and simple interface to create and manage todos according to the principals of todo.txt. You can add contexts to your todos or assign them to projects. Priorities can be set and due dates will trigger notifications just in time.
Zenkit To Do is a super-simple task management app to help you work productively and collaborate with anyone. It lets you organize your tasks, shopping lists, meetings, events, trips, ideas, notes, places, and whatever else is important to you.