In our case:

Zoom - GMeet - For video conf and sharing screen (zoom.us)

Comeet.me - Agendas / Meeting Next-steps (synch&track) / Meeting feedback (www.comeet.me)

GDocs-Slides - Pre-reading Presentations/Memos (gsuite.google.com)

NextCloud Video or Google Hangout in alternative

Skype for business 2016