Find the best free version tool for the job

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
Online kanban style lists
2 Project management 6 Task management 4 Kanban board 2 Small projects 1 free version
Video Conferencing, Web Conferencing, Webinars, Screen Sharing
6 Video Calls 3 Communication 1 Meeting software 1 free version