FlowNote note manager is described as 'Take notes in a simple and clean markdown editor from anywhere. Customize the way you take Notes by creating templates. These templates, or Workflows, can be organized for a multitude of different purposes' and is an website in the Office & Productivity category. There are more than 25 alternatives to FlowNote note manager, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Android. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Google Keep or Microsoft OneNote. Other great sites and apps similar to FlowNote note manager are Typora (Free), Evernote (Freemium), QOwnNotes (Free, Open Source) and Notable (Free).
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, can be copied, tagged and modified either from the applications directly or from your own text editor.
Take beautiful markdown notes whenever you feel inspired. Place them in notebooks and tag them accordingly. Stay organized by making task lists, set reminders and keep everything in one place by attaching related files.