Support for multi-threading acceleration for CPUs with multiple physical cores is provided by the CacheQ Compiler which takes a single-threaded C code and generates executable that can run on CPUs, ...
AdaCore’s latest GNAT Pro Ada compiler can generate C source code, delivering portability to most platforms with a C compiler. Using CCG is just a matter of a command-line option (see codelist below).
The development landscape is ripe with new languages and improvements on existing ones. Mozilla’s Rust, Apple’s Swift, Kotlin from JetBrains, and the experimental Python variant Mojo (and many others) ...