Tree - Write documents in tree-like organisation with Markdown
Screenr - A curated community of the best video freelancers
TabNotes - Markdown notepad in your new tab
Array - "Need a multi-user database application? Code it with HTML/OS.
Stop Thinking Like A Freelancer - Stop thinking like a freelancer
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.