Comment by frfl

I don't know about a list online but here's what I know off, in the C/C++ realm

Odin - https://odin-lang.org/

Zig - https://ziglang.org/

Beef - https://www.beeflang.org/

Jai (not public yet) - [1]

Carbon (C++) - https://github.com/carbon-language/carbon-lang

D Lang - https://dlang.org/

Rust - https://www.rust-lang.org/

cppfront (Herb Sutter's C++ frontend/syntax) - https://github.com/hsutter/cppfront

Nim - https://nim-lang.org/

Crystal (not sure if this counts) - https://crystal-lang.org/

Vale - https://vale.dev/

Hylo (formerly Val, just found it now) - https://www.hylo-lang.org/

Vala (compiles to C, some GTK apps are written in this) - https://vala.dev/

C3 - https://github.com/c3lang/c3c

Rune (last commit 7 months ago) - https://github.com/google/rune

Kit (dead, last commit 5 years ago) - https://github.com/kitlang/kit

There's probably more. That's all I can recall off the top of my head and/or what I have in my notes.

There's also Haskell [2], which compiles down to C-- [3] (a C like language). Not sure if this counts either.

[1]: https://en.wikipedia.org/wiki/Jonathan_Blow#2017%E2%80%93pre...

[2]: https://www.haskell.org/

[3]: https://en.wikipedia.org/wiki/C--