The client source code is public the messages are fine but the metadata is whats just as valuable. They do have an implementation of sealed sender but ive heard people say its not perfect against if the signal servers where malicious (btw said servers are not open source).
$1 from the cia funding it is $1 too much.
They could kill all the conspiracy theories instantly by federating and said theories will kill people adopting it. The longer they take the more sus it gets.
Here ya go: https://github.com/matrix-org/
All it needs is cross compatability with signal and its perfect. Thats what im waiting on.