Tree - Write documents in tree-like organisation with Markdown
Link Preview Generator - Messenger style website preview for your favourite notes app
TabNotes - Markdown notepad in your new tab
Array - "Need a multi-user database application? Code it with HTML/OS.
Piar.io - Create beautiful custom link previews for all your social media channels in one place
NotePlan - Make plans inside an individual markdown note for every day in your calendar. Use it as a journal for your daily tasks and plan todos in advance. For Mac, iPhone and iPad.