Boostnote - Boostnote is an open-source note-taking​ app.

Mobisle Notes - Mobisle Notes is a note checklist app focused on simplicity and intuitiveness. It features mobile apps for iOS and Android as well as works in any web browser.

Checkvist - A professional list-making tool. Minimalist, keyboard-centric online outliner and task management application. Free sharing, unlimited lists, cross-linking, free import and export. Markdown support. Created for geeks 🤓 and all keyboard lovers ⌨️

Elephant - Elephant is a notetaker with a classic interface you already know.

Supernotes - The fastest way to take notes and collaborate with friends. Create notecards with Markdown, LaTeX, images, emojis and more. Get started for free!

OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.