Vimflowy VS Indigrid

GNU Emacs - GNU Emacs is an extensible, customizable text editor—and more.

Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.

Dynalist - Dynalist is a web app that lets you break down and organize your thoughts in the format of lists.

Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

Workflowy - A better way to organize your mind.

Nuclino - Nuclino works like a collective brain, helping teams bring all their knowledge, docs, and projects together in one place. It's a modern, simple, and blazingly fast way to collaborate.