HERE WeGo - HERE WeGo - Maps - Routes - Directions - All ways from A to B in one
Kalam Labs - Twitch for Science
MAPS.ME - Fast, detailed and completely offline maps for mobile devices
RunaWFE - RunaWFE Free is a free Open Source BPMS (business process management system), which serves to optimize and automate business processes (for Windows, Linux, Mac OS).
AutoZen - AutoZen is a great driving companion for Android.This app will help you stay focused while driving with the Turn by Turn Navigation.
Litnerd - The Pixar for education, reading program for K-5 schools