HubSpot CRM - Free CRM software for small businesses.
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.
Kreato - Kreato CRM is an Intelligent Sales CRM platform powered by Artificial Intelligence and Automation.
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
Keap - Grow Sales. Save Time. Get Organized.
APKMirror - Android Market and APK Downloads