====== Signal messenger ======
Signal is a [[.:|messenger]] with Open Source client code but a proprietary and centralised server. It's widely regarded as pretty secure in terms of confidentiality of chats and metadata, but the centralised nature means it's prone to attacks federated messaging networks don't have.

===== further information =====
  * [[https://dessalines.github.io/essays/why_not_signal.html|Why not Signal?]] (Dessalines, 2021)
  * [[https://www.forbes.com/sites/zakdoffman/2021/01/03/whatsapp-beaten-by-apples-new-imessage-update-for-iphone-users|WhatsApp Beaten By Apple’s New iMessage Privacy Update]] – includes comparison with Signal
  * [[https://www.reddit.com/r/signal|r/Signal]] sub[[:guide:reddit|reddit]]