Notion Pack - All the freelance docs you need, as Notion templates.
Typora - A minimal Markdown reading & writing app.
Notion Pages - Discover new, productive Notion templates
Dillinger - joemccann has 95 repositories available. Follow their code on GitHub.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
StackEdit - Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.