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.
Unified writing platform offering note-taking, easy citations with Zotero integration, LaTeX/Word templates, snippets, themes, dark modes, code highlighting, multi-language support, and knowledge management with Zettelkasten for seamless writing from notes to books.
Germany
EU
Zim brings the concept of a wiki to your desktop. Store information, link pages and edit with WYSISYG markup or directly typing some lightweight markup syntax and see it previewed as-you-type. Creating a new page is easy by either clicking on the "Create new note"...
NetherlandsEU
Hierarchical note-taking software that is free, open-source, cross-platform. Features include rich text, syntax highlighting, multi-level lists, embedded files, customizable interface, code execution, PDF export, spell check, images & tables, and comprehensive project management support.
The original trilium is transfered to this repo by its owner and the app continues to develop here as stated here: https://github.com/TriliumNext/Trilium
Privacy-first, multi-device organizer for files and folders with customizable tags, color labels, note editing in markdown or HTML, Kanban boards, S3 object storage support, web page clipping, vendor lock-in free filename tagging, open source option, and multi-format preview.
GermanyEU
Offers limitless nested lists for outlining, instant sync on web and mobile, real-time collaboration, file and photo uploads, kanban boards, tagging, offline editing, hoisting for branch focus, content sharing, text highlighting, and Dropbox auto-backup.
United States
A "hierarchical spreadsheet" that is a great replacement for spreadsheets, mind mappers, outliners, PIMs, text editors and small databases.
NetherlandsEU
Encrypted, privacy-focused digital storage with zero-knowledge architecture supporting document editing, notes, journals, and photo storage with raw DSLR support, live sync, markdown, code, LaTeX, to-dos, audio, tables, EPUB, PDF, and cross-platform access.
EstoniaEU
Markor is a TextEditor for Android, versatile, flexible, and lightweight. Markor utilizes simple markup formats like Markdown and todo.txt for note-taking and list management. It is versatile at working with text; it can also be used for keeping bookmarks, copying to clipboard...
AustriaEU
Introducing Fossify Notes – your ultimate tool for effortless note-taking, organization, and planning. Simplify your life with this intuitive organizer designed to streamline your tasks and ideas effortlessly.
India
Whether it's bookmarks or passwords, files or shopping lists...Turtl organizes it all and makes it easy to find later. Sync across your devices. Leave nothing behind.
United States
An award-winning cloud-based Project Management software aims to help collaborative teams organize and manage from small enterprise projects to large-scale initiatives.
Taiwan
