SimpleNotes is described as '"SimpleNotes" lets you create, edit and organize all your notes anytime, anywhere. Easy switching between Desktop and Mobile. You can share your notes with everyone you want. The Website is free to use and a Desktop and Mobile APP is also available' and is a Note-taking tool in the office & productivity category. There are more than 100 alternatives to SimpleNotes for a variety of platforms, including Windows, Mac, Android, iPhone and Web-based apps. The best SimpleNotes alternative is Zim, which is both free and Open Source. Other great apps like SimpleNotes are CherryTree, Trilium Notes, Markor and Cryptee.
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"...
Netherlands
EU
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
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
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
Plain text notepad with markdown support and todo list manager for Linux, Mac OS X and Windows, that works together with the notes application of ownCloud.
AustriaEU
BookStack is a free and open source knowledge management platform built on PHP. The system has been built around simplicity to ensure that adding information to it is not a chore. The content structure is built on the metaphors of Books, Chapters & Pages.
United Kingdom
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
Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub.
Flexible note-taking and writing tool featuring advanced markdown with in-line images, cross-note links, live preview, hashtags, Focus Mode, plain text storage, iCloud sync, one-tap formatting, smart data recognition, and multiple export formats for portability.
ItalyEU
Nuclino is a unified workspace where teams can bring all their knowledge, docs, and projects together in one place. It’s a modern, simple, and blazingly fast way to collaborate, without the chaos of files and folders, context switching, or silos.
GermanyEU
Dendron is an open-source, local-first, markdown-based, note-taking tool built on top of VSCode. It supports all the usual features you would expect like tagging, backlinks, a graph view, split panes, and so forth.
