Tree - Write documents in tree-like organisation with Markdown
Screenr - A curated community of the best video freelancers
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.
Work Notes - Articles, community and guides for freelancers.
Markdown New Tab - Write notes in Markdown directly in the 'New Tab' page
Stop Thinking Like A Freelancer - Stop thinking like a freelancer