Xmind - Xmind is a brainstorming and mind mapping application.
Ring4 Meeting - Dead simple video conferencing - free, in browser
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Fellow.app - A manager’s co-pilot for 1:1s, meetings, feedback & goals 🚀
Viima - Viima is the simple, yet incredibly powerful Agile Innovation Platform that helps you go from ideas to innovations – at the speed and scale of a true innovator.
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.