Top Alternatives to TreePad

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.

Notezilla is a robust sticky notes application for Windows, offering a flexible and feature-rich way to capture, organize, and manage information. It provides a familiar sticky note interface with powerful capabilities like reminders, checklists, cloud sync, and collaboration features, making it ideal for personal and professional use.

Zim is a powerful, open-source graphical text editor designed for maintaining a personal wiki or notebook. It allows users to organize notes, ideas, and various types of information in a hierarchical, interlinked structure, similar to a wiki.

CintaNotes is a lightweight yet powerful note-taking application for Windows, excelling at capturing and organizing snippets of information quickly. Its focus on speed and hierarchical tagging makes it ideal for managing knowledge, research notes, and simple task lists effectively.

NoteLedge is a versatile note-taking application designed for capturing ideas, organizing information, and unleashing creativity across multiple platforms. It combines rich multimedia support with powerful organizational tools, making it ideal for students, professionals, and creatives alike.

wikidPad is a free and open-source wiki-like notebook application that allows you to store your thoughts, notes, and snippets of information in a highly organized and cross-referenced manner. Its strength lies in the effortless creation of links between pages, making it easy to navigate and connect related ideas.

TiddlyWiki is an innovative open-source, single-file, non-linear personal web notebook.

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.

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.

Notational Velocity is a minimalist, keyboard-centric note-taking application for macOS.

KeepNote is a versatile note-taking application designed for organizing information in a hierarchical structure. Available on Windows, Linux, and macOS X, it features robust organization tools, including a tree-like outline, wiki-like linking, and support for embedded files and images. Although discontinued, its local storage and rich features make it a compelling tool for detailed note-taking and research.

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.

Nimbus Note is a versatile note-taking application and information organizer designed for capturing, managing, and sharing notes, documents, and multimedia content. It offers cross-platform sync, robust organization features like nested folders, and tools for web clipping and screen capture.

AllMyNotes Organizer is a comprehensive personal information manager and outliner for Windows. It allows users to securely store, organize, and retrieve diverse information in a single, encrypted file, utilizing a hierarchical tree structure for intuitive navigation and management of notes, documents, passwords, and more.

TreeDBNotes is a portable, Windows-based personal information manager and notetaking application that organizes information in a hierarchical tree structure. It allows users to store diverse data types, manage tasks, and secure sensitive information within a single file.

Zoho Notebook is a free, feature-rich note-taking application designed for diverse needs, offering a balance of simplicity and power. It stands out with its visually appealing interface, robust organization tools, and seamless cross-platform synchronization, making it suitable for personal organization, professional collaboration, and creative endeavors.

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.

Quiver is a robust note-taking application designed for developers, offering a powerful and flexible platform for organizing, writing, and managing notes. It seamlessly integrates rich text, code snippets, markdown, and LaTeX within a single note, providing a unique blend of capabilities for technical users.

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.

MyTetra is a versatile, cross-platform information manager designed for collecting, organizing, and managing various types of data. It excels as a portable note-taking application, personal information manager, and notebook, offering a robust outliner and rich text editing capabilities.

myBase is a powerful, free-form database and information manager designed to organize diverse types of information including text, web pages, documents, and multimedia files within a flexible hierarchical structure.

Footnote is a streamlined and intuitive note-taking application specifically designed for elementary OS. It provides a clean interface for capturing, organizing, and syncing your thoughts and information seamlessly.

Ultra Recall is a powerful personal information, knowledge, and document organizer designed for managing diverse data types in a unified, hierarchical structure. It helps users store, organize, and retrieve information ranging from notes and documents to web pages and files.