Apps similar to RightNote include Notesnook, which is open source with a free version. Other options are Zim, Trilium Notes, CherryTree and Cryptee. There's no shortage of Note-taking Tools like RightNote, with more than 100 alternatives for Windows, Mac, Android, Linux and iPhone.
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.
Germany
EU
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
acreom is an actionable personal knowledge base for developers. It helps developers ship faster by centralizing personal and team context in one place.
United Kingdom
Milanote is an easy-to-use tool to organize your ideas and projects into visual boards.
United Kingdom
This program is a structured notetaking application based on GTK+ 3. Write your notes in instantly-formatted Markdown, organise them in a tree of folders that can be instantly navigated from within the program, and add hand-drawn notes by mouse, touchscreen or digitiser.
A Vim-inspired note-taking application that knows programmers and Markdown better.
Vietnam
A minimalistic notes app. Notally it's extremely light, minimalistic and elegant. There are minimal dependencies and lines of code. (All without compromising on readability).
India
WizNote is a Note software, which is especially designed for Internet users and mobile Internet users. WizNote focuses more on notes of rapid collection, management, reading and sharing. WizNote is smaller, more stable, and more suitable for computers, phones and mobile devices.
China
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
OpenNote was built to be an open web based alternative to Microsoft OneNote and Evernote .
MyInfo is a personal information manager for Windows. It will help you capture, organize, edit and share ideas, documents, tasks, and web pages.
BulgariaEU
Notational Velocity is a mouseless application for storing and retrieving notes.
United States
