DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
BaseMap - BaseMap is the only outdoor app you will ever need. Turn your phone into a GPS, map your outdoor adventures, and interact with the BaseMap community.
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
GPS Status & Toolbox - Display your GPS and sensor data: Shows the position, number and signal strength of GPS satellites.
TiddlyWiki - a non-linear personal web notebook
HuntWise - THE ULTIMATE HUNTING TOOLSET. With advanced mapping overlays, hunting predictions, GPS navigation, weather forecasting, and more.