Hello my fellow USians:

#Briar is a phone app that lets you send secure messages via a mesh network, including via bluetooth. https://briarproject.org/

#Manyverse is a social networking phone app that lets you write posts which are cryptographically signed and which can propagate via a mesh network including bluetooth. https://www.manyver.se/

#Ripple is a "panic" app that can hide or delete data. It can be used with f-droid to remove entire apps. https://f-droid.org/en/packages/info.guardianproject.ripple/