Based on their popularity, versatility, and user-friendly interfaces, here are three widely recommended options:

Google Calendar:

Google Calendar is highly versatile, accessible on various devices, and integrates seamlessly with other Google services, making it an excellent choice for both personal and professional use.

Its intuitive interface and robust features for event scheduling, reminders, and multiple calendars make it a top pick for many users.

Todoist:

Todoist is a versatile to-do list app that’s known for its simplicity and effectiveness.

It’s suitable for managing tasks and to-do lists across different projects and categories.

Its user-friendly design, task prioritization, and the ability to set due dates and labels make it a valuable tool for improving productivity.

Trello:

Trello is an excellent choice for project management and task organization, particularly in collaborative settings.

Its visual boards, customizable workflows, and easy drag-and-drop functionality make it user-friendly for individuals and teams alike.

It’s adaptable to various workflows and project types