Apps similar to P3X OneNote include Zettlr, which is free and open source. Other options are Zim, CherryTree, Trilium Notes and TagSpaces. You're spoiled for choice with Note-taking Tools like P3X OneNote: we list more than 100 alternatives for Windows, Mac, iPhone, Android and Linux.
Combines AI-powered client portals, unlimited external accounts, internal workspaces, collaborative document editing, smart task management, and no-code knowledge bases with smart documents, supporting 2000+ embeds for streamlined project delivery and feedback.
United States
Distraction-free note-taking app featuring categories for organization, Markdown formatting, favorites, and seamless integration with Nextcloud clients. Enables syncing across devices, API integration with third-party apps, offline access, and privacy-focused storage.
Germany
EU
Milanote is an easy-to-use tool to organize your ideas and projects into visual boards.
United Kingdom
Note taking open-source application aimed to have both a simple interface but keeping smart behavior.
ItalyEU
Efficient hierarchical information manager for Windows, offering note storage in a single file with customizable tree structures, password protection with 1800-bit encryption, instant search, a rich text editor, multiple language support, and portable use without installation.
Ukraine
KeyNote NF is a flexible, multi-featured tabbed notebook, based on Windows standard RichEdit control. It's always accessible with a single keypress, even if you work in another application.
Russia
Visual information management for creatives - Organize knowledge intuitively using cards and boards
United Kingdom
Passfindr is a web based premium Personal knowledge base, Password manager and Bookmark manager application to securely store passwords and other sensitive information in a virtual vault locked with individual master passwords.
United States
Use Notes to capture a quick thought, create checklists, sketch ideas, and more. And with iCloud, you can keep your notes up to date across all your devices.
United States
Dropbox Paper is more than a doc—it’s a workspace that brings creation and coordination together in one place.
United States
ColorNote is a simple notepad app. It give you a quick and simple notepad editing experience when you write notes, email, message, shopping lists and todo lists. ColorNote makes taking a note easier than any other notepad apps.
South Korea
