Apps Related to Notes and Attachments

GTDNext is a web-based task management application designed for individuals and teams, focusing on the Getting Things Done (GTD) methodology. It offers a unique hierarchical structure, allowing users to break down complex projects into manageable steps, and includes features like recurring tasks, dependencies, and integrations to streamline workflows.

Task Coach is a free and open-source personal task manager designed to handle compound tasks and notes. It's a versatile tool for organizing your to-do list with support for subtasks, categories, and tracking time spent on tasks, making it suitable for both simple task management and more complex project organization.