Obsidian.net - Obsidian is an Action-Adventure, First-person Exploration, Puzzle and Single-player video game created and published by Rocket Science.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Standard Notes - A safe place for your notes, thoughts, and life's work
Ultimate Brain for Notion - The Ultimate Second-Brain Notion Template
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.