| Assembly | Low-level programming language closely aligned with machine code instructions. |
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| CircuitPython | Maintained by Adafruit, simplifies Python for microcontroller applications and is implemented in C. |
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| Clang | Compiler front end for C, C++, Objective-C, and Objective-C++, integrating with LLVM. |
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| Crystal | Compiled, statically-typed language with Ruby-like syntax and type inference. |
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| Haxe | High-level cross-platform language and compiler for multiple platforms. |
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| JavaScriptCore | JavaScript engine utilized in Safari and part of the WebKit project. |
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| LuaJIT | High-performance tracing JIT compiler for Lua 5.1, known for its speed and compatibility. |
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| Luau | Lua subset developed by Roblox for game scripting with gradual typing. |
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| MicroPython | Subset of Python 3 tailored for microcontrollers. |
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| Mono | .NET compatible software framework. |
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| Nim | Statically typed, compiled language focusing on performance and elegant syntax, compilable to C, C++, and JavaScript. |
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| OCaml | General-purpose, multi-paradigm language extending Caml with OO features. |
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| Odin | A high-performance language, offers an alternative to C for systems programming with a focus on simplicity and data-oriented development. |
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| R | Language and environment for statistical computing and graphics. |
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| Racket | Multi-paradigm language derived from Lisp and Scheme, known for powerful macros and libraries. |
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| V8 | V8 is a high-performance JavaScript engine used in Chrome and Node.js. |
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| Zig | System programming language designed as an improvement over C/C++ with native error handling and performance enhancements. |
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