Apps similar to MyNotex include Zim, which is free and open source. Other options are CherryTree, Trilium Notes, Cryptee and UpNote. There's no shortage of Note-taking Tools like MyNotex, with more than 25 alternatives for Windows, Mac, Linux, Android and iPhone.
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
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
UpNote is an elegant and powerful note app that works seamlessly across platforms: iOS, Android, Mac and Windows.
Vietnam
Tomboy is a desktop note-taking application for Linux, Unix, Windows, and Mac OS X. Simple and easy to use, but with potential to help you organize the ideas and information you deal with every day.
United States
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.
GermanyEU
Milanote is an easy-to-use tool to organize your ideas and projects into visual 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
Privacy oriented, without vendor lock in note organizer, todo list desktop application. Work offline with text, markdown and pdf files.
MyInfo is a personal information manager for Windows. It will help you capture, organize, edit and share ideas, documents, tasks, and web pages.
BulgariaEU
myBase is a unique free-form database software that allows entry of unstructured text, webpages, images, documents, emails and even arbitrary files without regard to length or format. All information is automatically compressed and stored in the tree structured outline form.
China
