Notebooks

Keep track of your notes and journalings without giving them to a third-party.

Digital Notebook

Joplin

Joplin Joplin is a free, open source, fully featured note taking and to-do application, which can handle a large number of markdown notes organized into notebooks and tags. It offers E2EE encryption and can sync through Nextcloud, Dropbox and more. It also offers easy import from Evernote and plain text notes.

Website: joplin.cozic.net

OS: Windows, macOS, Linux, iOS, Android, Firefox/Chrome (Web Clipper).

Standard Notes

Standard Notes Standard Notes is a simple and private notes app that makes your notes easy and available everywhere you are. Features end-to-end encryption on every platform, and a powerful desktop experience with themes and custom editors.

Website: standardnotes.org

OS: Windows, macOS, Linux, iOS, Android, Web.

Turtl

Turtl Turtl lets you take notes, bookmark websites, and store documents for sensitive projects. From sharing passwords with your coworkers to tracking research on an article you're writing, Turtl keeps it all safe from everyone but you and those you share with.

Website: turtlapp.com

OS: Windows, macOS, Linux, Android.

Warning

Worth Mentioning