Outliner Apps and Services

OutWiker is a portable, tree-structured note-taking application that allows users to organize information hierarchically. Functioning as a personal wiki or outliner, it provides a simple yet powerful way to manage notes, documents, and ideas in a flexible, offline environment.

The Guide is a discontinued, portable desktop application designed for creating and organizing information in a hierarchical tree structure. It functions as an outliner and a basic personal information manager, allowing users to associate text and notes with each node in the tree.

KeyNote NF is a versatile, open-source notebook application offering a tabbed interface, rich text editing, multi-level note organization, and robust encryption for secure information management.

CherryTree is a powerful, free, and open-source hierarchical note-taking application. It allows you to organize your thoughts, ideas, notes, and code snippets in a tree-like structure with rich text editing and syntax highlighting.

ToDoList is a robust, free task management software designed for individuals and teams seeking a highly customizable, tree-structured approach to project organization. It excels in breaking down complex projects into manageable subtasks, offering features like Gantt charts, Kanban boards, and extensive export options without requiring a web connection.

OutWiker is a portable, tree-structured note-taking application that allows users to organize information hierarchically. Functioning as a personal wiki or outliner, it provides a simple yet powerful way to manage notes, documents, and ideas in a flexible, offline environment.

The Guide is a discontinued, portable desktop application designed for creating and organizing information in a hierarchical tree structure. It functions as an outliner and a basic personal information manager, allowing users to associate text and notes with each node in the tree.

KeyNote NF is a versatile, open-source notebook application offering a tabbed interface, rich text editing, multi-level note organization, and robust encryption for secure information management.

CherryTree is a powerful, free, and open-source hierarchical note-taking application. It allows you to organize your thoughts, ideas, notes, and code snippets in a tree-like structure with rich text editing and syntax highlighting.

ToDoList is a robust, free task management software designed for individuals and teams seeking a highly customizable, tree-structured approach to project organization. It excels in breaking down complex projects into manageable subtasks, offering features like Gantt charts, Kanban boards, and extensive export options without requiring a web connection.