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Lua vs LuaJIT: catalog facts
Lua	LuaJIT
Free Free and open source.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Small interpreter that is easy to embed in other programs Simple language that is quick to learn	High performance with a small memory footprint Drop-in replacement for the Lua 5.1 library
Small standard library compared with general-purpose languages The official site distributes source code rather than ready-made installers	Targets Lua 5.1 rather than newer Lua versions Usually built from source rather than installed from binaries
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.