I am starting to organize w/ my friends IRL, but we also need to communicate with each other and other people further away (that we cant meet regularly). Since a year ago i got interested in privacy oriented messagging apps such as Briar or DeltaChat, we have been using the latter. But i still am unsure if it is safe to organize and communicate to other people my thoughts on how to organize better and grow as a movement. I know there have been CIA operations to infiltrate leftist movements (like COINTELPRO or more recent stuff like the 5 police officers of antiterrorism found in 5 different Autorganized Universitary Collectives here in Italy). I know that there also could be spyware on phones and idk if the app can really make communications safe. Is writing a document on this computer (even with GNU/Linux) safe? sorry if i couldn't explain myself. sorry for the disturb.

thanks alot :3

P.S (edit)

By "organizing" i mean sharing to people online the idea and direction including plans as to the growth and work of the organization.