Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.
Monkkee - Keep a private journal securely on the Internet – to provide a convenient user experience your...
GitJournal - Manage your Notes from any Git Repo.
Idea Notebook - Idea Notebook is an app that allows you to keep track of your logs business ideas and track as well as organize them.
Quillnote - Take beautiful markdown notes and stay organized with task lists.
Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.