pon
Python 3.14, compiled to metal — JIT & AoT native compiler and runtime in Rust. Cranelift backend, ruff parser, Green Tea GC, byte-exact differential testing against CPython.
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lucid-softworks/lumen
A from-scratch JavaScript engine in Rust — std only, zero deps, three tiers incl. an ARM64 JIT, 100% test262 (53,400/53,400)
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