UML Designer - UML Designer provides a set of common diagrams to work with UML 2.5 models.
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.
Diagramo - Diagramo is an online flowchart software - diagrams (create, edit and share)
Ring4 Meeting - Dead simple video conferencing - free, in browser
ARIS Express - ARIS Express is based on the proven ARIS methodology and industry standards.
Suttna - Keep every team member in the loop