Ta'o
Ua hamanihia e te Signal Foundation e te Signal Messenger LLC te hoê taviniraa haaparareraa parau i ni'a i te tahua itenati. E faaohipa oia i te Itenati no te hapono i te mau poro'i tata'itahi e te pŭpŭ, e tae noa'tu i te mau hoho'a, te mau nota reo, te mau hoho'a, e te mau hoho'a. E nehenehe atoa ta'na mau faanahoraa afa'ifa'i e niuniu i te reo e te hoho'a teata, e e nehenehe atoa te huriraa Android e riro ei faanahoraa SMS.
E faaohipa te Signal i te mau numera niuniu afa'ifa'i ei mau tapa'o e e faaohipa i te mau rave'a no te paruru i te mau haaparareraa parau atoa i te tahi atu mau taata e faaohipa ra i te Signal. I roto i te mau faaohiparaa, te vai ra te mau rave'a e nehenehe ai te feia e faaohipa ra e hi'opo'a ma te ti'amâ i te ti'araa o to ratou mau hoa e te hapa ore o te tahua haamaramaramaraa.
All Signal software is free and open-source. The clients are published under the GPLv3 license, while the server code is published under the AGPLv3 license.
4 blocks because I’ve seen a few trackers on their website.
Yes having a phone number in order to register an account is a trade. Else Signal is completely trade-free and a fantastic alternative for Whatsapp (which belongs to I-collect-everything-about-you-and-sell-it-to-advertisers-Facebook).
Signal requires you to have a mobile phone number in order to register an account with them. For that matter I do not see it as fully trade-free.