SierraSoft Land - BIM software for land 3D modeling and analysis
F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.
SCC (Survey Control Centre) - We provide Survey Control Software
APK Pure - Download apk for Android with APKPure APK downloader. NoAds, Faster apk downloads and apk file update speed. Best of all, it's free
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
APKMirror - Android Market and APK Downloads