There are many, many products to address this, like Mozilla's defunct Send, or the excellent but not self-hostable Wormhole.app. You will need to describe what is novel with Berb and why we should use it over other solutions, and no, using WebRTC is not sufficient.
My personal choice for this kind of situation is Wormhole-William, but it is not something my dad could use when he asks me to send the last year's worth of his granddaughter's photos to make a photobook of.
My personal choice for this kind of situation is Wormhole-William, but it is not something my dad could use when he asks me to send the last year's worth of his granddaughter's photos to make a photobook of.