Typora - A minimal Markdown reading & writing app.
Sygic Travel Maps - Itinerary planner for independent travelers
Dillinger - joemccann has 95 repositories available. Follow their code on GitHub.
Wanderlog - Collaborative travel planner with combined itinerary and map
StackEdit - Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
Roadtrippers - The ultimate road trip planner to help you discover extraordinary places, book hotels, and share itineraries all from the map.