Google Fonts - Making the web more beautiful, fast, and open through great typography
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.
Typewolf - Typewolf helps designers choose the perfect font combination for their next design project—features web fonts in the wild, font recommendations and learning resources.
markdown to web - Convert markdown to online web page
FontJoy - Get smart font pairings in one click
Mochi - Write notes and flashcards with Markdown and study them with spaced repetition.