Padlet is a great tool to create interactive and visually-stimulating information boards, for learning content generated by trainers or learners.
Free tier of Padlet is available (as of 22nd March 2021)
Padlet is used by golargegoxr.com to host asynchronous learning material that learners can access at any time. Learning content is broken down as step-by-step pictorial guides with the ability to capture comments and user-generated content. The full padlet can be accessed by clicking here.
According to the IAL-conducted survey on Adult Learners' Perception of Online Learning Due to COVID-19, the top general concerns on online learning across age groups is the lack of interactions among learners or between trainer and learners.