Ada

A high-level, statically typed language designed for real-time systems where safety and reliability are non-negotiable.

Ada remains the gold standard for high-integrity software in aerospace, defense, and rail. Originally commissioned by the U.S. Department of Defense (MIL-STD-1815), it provides robust compile-time checks and strong typing to eliminate common runtime errors. Modern standards like Ada 2022 integrate seamlessly with the SPARK toolset for formal verification. Whether managing flight control systems for Boeing or securing communication protocols, Ada delivers predictable performance through its native support for tasking and deterministic memory management.

https://ada-lang.io