Acastus Photon is described as 'A private, free and open source replacement for Google Maps and other geocoding services that relies on Photon, which you can run on your own server' and is an app in the Travel & Location category. There are more than 10 alternatives to Acastus Photon for a variety of platforms, including Online / Web-based, Android, iPhone, iPad and Apple Watch. The best alternative is Google Maps, which is free. Other great apps like Acastus Photon are Waze (Free), HERE WeGo (Free), Qwant Maps (Free, Open Source) and Apple Maps (Free).
Google Maps is a basic web mapping service application and technology provided by Google. It offers street maps, a route planner for traveling by foot, car, or public transport and an urban business locator for numerous countries around the world.
Yandex.Maps gives you access to maps of over 1800 cities and towns right in your pocket. Find addresses and companies. Plan your journeys in a car or on public transport taking current traffic conditions into account.
Bing Maps (previously Live Search Maps, Windows Live Maps and Windows Live Local) is a web mapping service provided as a part of Microsofts Bing suite of search engines and powered by the Bing Maps for Enterprise framework.
Free powerful professional GPS navigation system with high quality offline maps. It is an Android GPS app that lets you find places as fast as possible whether you have an Internet connection or not by using offline maps, so you avoid phone charges.
Universal Maps Downloader is a tool that help you to get small tile images from online maps: Google Maps, Openstreetmap, Yandex Maps, The national map, Yahoo Maps, Mapquest, Gaode map, Tencent Maps, Baidu Maps, Tianditu, 360ditu, Arcgis Online Maps, OneMap for Singapore...
TomTom MyDrive is a route planner based on TomTom maps that allows to find the fastest or the most attractive route to your destination by vehicle of your choice with traffic info and integration with TomTom devices and mobile app.