StandupScreen for Trello - Turn a magnetic whiteboard into an interactive Trello board
Ring4 Meeting - Dead simple video conferencing - free, in browser
Ollert - Learn what your Trello boards aren't telling you
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.
Remoty - Streamline HR Operations and Processes for Remote or Hybrid Workforces
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.