Tree - Write documents in tree-like organisation with Markdown
Stop Thinking Like A Freelancer - Stop thinking like a freelancer
TabNotes - Markdown notepad in your new tab
Array - "Need a multi-user database application? Code it with HTML/OS.
ArbeitBot - Opensource freelance market driven by community
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.