European alternatives to Todoist

MeisterTask is a web-based task management application that allows users to manage tasks in a customizable environment.

TickTick is a simple and effective to-do list and task manager app that helps you make schedules, manage time, stay focused, remind about deadlines and organize life at work, home and everywhere else.

Sorted³ is a task management app that helps you organize your day with a timeline view, combining tasks and appointments in one place.

Zenkit To Do is a simple, collaborative task management tool to help you organize your tasks and be more productive.