Neatro - Neatro is the online Agile retrospective platform designed to help teams improve continuously.
Meetric - Super-productive meeting notes, connected to your calendar
Outro - A new take on retrospectives for progressive teams
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.
Metro Retro - For productive, engaging and fun retrospectives
Ring4 Meeting - Dead simple video conferencing - free, in browser