Find the best free version tool for the job

Online kanban style lists
3 Project management 7 Task management 5 Kanban board 3 Small projects 2 free version
Video Conferencing, Web Conferencing, Webinars, Screen Sharing
7 Video Calls 4 Communication 1 Meeting software 2 free version
Subtask - Project Management Software for Teams
5 Project management 2 Task management 1 Kanban board 2 Project timeline 2 Effort/value matrix 2 Calendar 1 Small projects 1 free version