Trello

A project management tools. Great for new projects. This is a great alternative for something like Jira. It's great for tracking your projects

Miro

The online collaborative whiteboard platform. Plan projects, create boards and use various media types.

Tweek

Tweek Calendar is a Minimal Weekly Planner & To-Do List App. The design is quite intriguing and makes it a pleasure to use. I'm not sure that this is for larger projects though.

Notion

A nicely design full project management tools. This is very much for larger teams.