iPhone Apps to Hierarchical Structure

Nozbe is a robust task and project management application designed to help individuals and teams implement the Getting Things Done (GTD) methodology for enhanced productivity and collaboration. It offers a flexible environment for managing tasks, projects, and time effectively.

Conqu is a versatile task management application designed to help users organize their tasks, projects, and notes effectively. It offers a robust feature set including cloud sync, hierarchical task structures, integrations with popular services, and tools for both individual productivity and team collaboration.

Smartsheet is a dynamic work management platform empowering teams to plan, track, and execute projects efficiently. It combines powerful features like project management, task management, collaboration tools, and automated workflows in a user-friendly, web-based interface.

IQTELL is a comprehensive productivity application designed to centralize email, tasks, projects, calendars, contacts, and notes. Based on the Getting Things Done (GTD) methodology, it provides a unified workspace to manage disparate information and workflows efficiently, helping users regain control and focus.

Transpose was a versatile workspace designed for individuals and teams, combining elements of note-taking, project management, CRM, and data organization into a single, flexible platform. It empowered users to structure information and collaborate efficiently.

2Do is a powerful and flexible task management application offering a unique approach to organizing your life. With a focus on simplicity and customization, it provides tools for everything from quick notes to complex project management.

memit is a comprehensive information management tool designed for collecting, curating, and organizing web links and digital content. It offers robust features for clipping, research, collaboration, and storage, all within a privacy-focused environment.

Org-mode is a powerful and flexible mode for GNU Emacs, designed for note-taking, project planning, to-do list management, and authoring documents. It utilizes simple plain text files with intuitive markup.

WizNote is a feature-rich, cross-platform cloud-based note-taking application designed for individuals and teams. It offers robust tools for capturing, organizing, and sharing information, with a strong focus on productivity and knowledge management.

Nirvana is a cloud-based task manager built on the principles of Getting Things Done (GTD). It helps individuals and teams organize, prioritize, and manage their tasks and projects with a focus on clarity and mindful productivity, allowing users to focus on what truly matters.

Producteev is a robust task management software designed for teams to collaborate effectively and streamline workflows. It offers a centralized platform for organizing tasks, managing projects, and tracking progress, catering to various team sizes and complexities.

MyLifeOrganized (MLO) is a highly customizable and powerful task management software designed to help individuals achieve their goals through intelligent organization and priority management.

Redbooth is a robust work management platform designed to streamline team collaboration and project execution. It offers task management, file sharing, and communication tools, helping teams stay organized and productive regardless of location. With a focus on usability and integration, Redbooth is suitable for various team sizes and industries seeking improved workflow.

Things is a highly acclaimed task manager designed for macOS, iPadOS, and iOS platforms. It offers a clean, intuitive interface to help users capture, organize, and complete their tasks and projects effectively. Praised for its minimalist design and powerful features, Things aims to make personal productivity effortless and enjoyable.

Toodledo is a comprehensive online productivity tool designed for managing complex to-do lists, notes, and outlining. It offers a highly customizable approach to task management, supporting methodologies like GTD, and integrates with various third-party services.

WorkFlowy is a powerful yet simple organizational tool that leverages an infinite nested list structure. It helps users capture, organize, and manage ideas, notes, tasks, and projects through outlining and collaboration, making complex information digestible and actionable.

Remember The Milk (RTM) is a robust, web-based task and time management application designed to help individuals and teams organize their tasks efficiently. With powerful features like natural language processing, recurring tasks, smart lists, and extensive integrations, RTM simplifies managing your to-do list across multiple devices and platforms.

Microsoft OneNote is a versatile digital notebook application that allows users to capture, organize, and share notes across multiple devices. Offering a freeform canvas, it supports text, handwritten notes, drawings, audio recordings, and embedded media, making it an excellent tool for students, professionals, and anyone needing a flexible note-taking solution.