FlexiSPY - FlexiSPY is the original "phone spy" software - it's been on the market since 2005.
Ring4 Meeting - Dead simple video conferencing - free, in browser
iKeyMonitor - iKeyMonitor is a mobile app for both iPhone and Android devices that with parental control capabilities and phone monitoring features.
Stork.ai - AI-Based Collaboration for Hybrid Teams. Rich media messaging, advanced video and voice conferencing, auto-transcribing and screen sharing. Serendipitous meetings at the water-cooler with your human and AI teammates.
XNSPY - XNSPY is the world’s most trusted cell phone spy software to monitor any smartphone and tablet remotely. It works on a range of devices including Android phones, Android tablets, iPhones and iPads.
openmeet - Account free video conferencing with a rooms component that lets you use VC within a physical meeting room. The server can also be hosted in your own cloud for extra privacy/security.