Roadtrippers - The ultimate road trip planner to help you discover extraordinary places, book hotels, and share itineraries all from the map.
Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
Sygic Travel Maps - Itinerary planner for independent travelers
TextMe - TextMe is a free calls and messaging application at both local and international levels.
Wanderlog - Collaborative travel planner with combined itinerary and map
Talkatone - Android App on. Google Play. Stop paying for cell minutes, texts & landlines; Turn your iPad or iPod touch into a phone; Call/Text even in areas with bad cell coverage; Call/Text when travelling without paying for expensive international minutes.