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Luau vs MoonScript: catalog facts
Luau	MoonScript
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Windows, Web, Command line
Optional gradual typing with strong type inference Fast interpreter with an optional JIT on x64 and arm64	Compiles to plain Lua, compatible with LuaJIT and existing libraries Concise syntax with classes and string interpolation
Not fully interchangeable with standard Lua code and libraries Mainly useful when embedded in a host application	Small community compared with Lua itself Adds a compile step or loader to Lua projects
Downloadable app	Downloadable app, Web application
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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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