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.
Launch27 - Online booking & appointment scheduling.
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
CleanTelligent - CleanTelligent is business management software built from the ground up for use by janitorial service companies.
APKMirror - Android Market and APK Downloads
Swept - Trusted Janitorial Software that Saves Commercial Cleaning Companies Time & Money. Smart, simple design: time tracking, scheduling, inspection, and more.