Alternativer til Google Maps Navigation til Apple Watch med open source-licens

• Apple Watch
  Alle platforme Windows Linux Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Windows Mobile S60 Firefox OS OpenStreetMap
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens