Looking for more on Zig I found a talk [0] (~1 hour) on the language by Andrew Kelley from just a few months ago.

Edit: I see there already questions about Rust in this thread. There's an audience question on Rust in the talk [1] and the creator states that Rust is Zig's biggest competitor.

[0] https://www.youtube.com/watch?v=Z4oYSByyRak

[1] https://www.youtube.com/watch?v=Z4oYSByyRak&feature=youtu.be...