Cost / License
- Free
- Open Source
Platforms
- Microsoft Edge
- Google Chrome
- Mozilla Firefox




OneNote Online is described as 'Part of Office Online, is the online version of Microsoft OneNote' and is a Note-taking tool in the office & productivity category. There are more than 100 alternatives to OneNote Online for a variety of platforms, including Windows, Mac, Android, Linux and iPhone apps. The best OneNote Online alternative is Notesnook, which is both free and Open Source. Other great apps like OneNote Online are Zettlr, Microsoft OneNote, Zim and TagSpaces.




RedNotebook is a graphical diary and journal helping you keep track of notes and thoughts. It includes a calendar navigation, customizable templates, export functionality and word clouds. You can also format, tag and search your entries.




Organizes documents, notes, emails, PDFs, and media using AI-powered search, tagging, and OCR. Supports offline use, syncing across macOS and iOS, encryption, web clipping, automation, and customizable grouping for efficient information management.




DEVONthink is the most popular commercial alternative to OneNote Online.
wikidPad is a Wiki-like notebook for storing your thoughts, ideas, todo lists, contacts, or anything else you can think of to write down. What makes wikidPad different from other notepad applications is the ease with which you can cross-link your information.

Web-based tool for integrating text, images, audio, and video with syncing across devices, real-time collaboration, handwriting input, AI-powered summaries, checklists, scanning, reminders, search in handwritten notes, and advanced organization.




Ultra-ergonomic note app for Windows designed for efficient text capture from any application, file and image attachments, cross-device synchronization, hierarchic tagging, full-text search, encryption of notebooks, automatic backups, and offline use for enhanced safety.




Milanote is an easy-to-use tool to organize your ideas and projects into visual boards.




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.




Seamlessly integrates words, data, and team collaboration, eliminating the need to switch applications. Features include customizable views, real-time collaboration, full-text search, and calendar integration, empowering teams to scale and coordinate tasks efficiently with a WYSIWYG editor.




Note taking open-source application aimed to have both a simple interface but keeping smart behavior.



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.




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.



