Especially for lessons in group, Telegram has bots that can transcript a voice recording and others that can translate that text.

Also, it allows free group chat (both voice or video) or private messages between peers

For the humanitarian sector, KoBo Toolbox is a very intuitive and flexible software that creates a link or app to be shared to acquire responses to questions you want to submit.

Follow https://youtu.be/Eh-yYEwpLAo or the official tutorial https://support.kobotoolbox.org/quick_start.html

For additional learning, contact us at giovanni.turri@newhopeu.com

Combining this super recent technology of ARCore it's possible to place 3D models in the real world from remote!

Could this be useful to substitute GIS systems on the installation of grids (in place that are not present) by local untrained workforce?