If you want contributions and feedback from learners then there are a variety of ways to do this.
Zoom and
Whereby.com have chat features built in but you may want more targeted tools or need to collect voice when not using these platforms.
This page has info about how you can collect learner voice and feedback orally.
This page has tools for collecting voice in written form. Platforms like Padlet and Jamboard can be used to collect voice and screen shared via Zoom, Meet etc so all contributors can see the results in real time.