Wait, VLC? Yes. While not a security tool, VLC can open RTSP streams from any IP camera. It is useful for a quick test or a live kiosk display.
Software efficiency is dictated by its support for standardized communication protocols: ip camera computer software
Most cloud apps only record "events" (motion or sound). What if the motion sensor fails? IP software lets you record 24/7. You never miss the five seconds before the motion triggered. Wait, VLC