For me it is a convenient and compact tool in which I can put all my ideas, goals, thoughts
Notion Second Brain - Streamline your productivity with this Second Brain template for Notion. Manage tasks, boost focus, save and organize unlimited knowledge.
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.
Focused Notion - A productivity system built on Notion that helps you plan, prioritize and achieve your by becoming organized, productive and efficient without stress and anxiety.
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.
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.