# About Boa Boa is an open-source, experimental ECMAScript Engine written in Rust for lexing, parsing and executing ECMAScript/JavaScript. Currently, Boa supports some of the [language][boa-conformance]. More information can be viewed at [Boa's website][boa-web]. Try out the most recent release with Boa's live demo [playground][boa-playground]. ## Boa Crates - [**`boa_cli`**][cli] - Boa's CLI && REPL implementation - [**`boa_ast`**][ast] - Boa's ECMAScript Abstract Syntax Tree. - [**`boa_engine`**][engine] - Boa's implementation of ECMAScript builtin objects and execution. - [**`boa_gc`**][gc] - Boa's garbage collector. - [**`boa_icu_provider`**][icu] - Boa's ICU4X data provider. - [**`boa_interner`**][interner] - Boa's string interner. - [**`boa_macros`**][macros] - Boa's macros. - [**`boa_parser`**][parser] - Boa's lexer and parser. - [**`boa_profiler`**][profiler] - Boa's code profiler. - [**`boa_runtime`**][runtime] - Boa's WebAPI features. - [**`boa_string`**][string] - Boa's ECMAScript string implementation. [boa-conformance]: https://boajs.dev/conformance [boa-web]: https://boajs.dev/ [boa-playground]: https://boajs.dev/playground [ast]: https://docs.rs/boa_ast/latest/boa_ast/index.html [engine]: https://docs.rs/boa_engine/latest/boa_engine/index.html [gc]: https://docs.rs/boa_gc/latest/boa_gc/index.html [interner]: https://docs.rs/boa_interner/latest/boa_interner/index.html [interop]: https://docs.rs/boa_interop/latest/boa_interop/index.html [parser]: https://docs.rs/boa_parser/latest/boa_parser/index.html [profiler]: https://docs.rs/boa_profiler/latest/boa_profiler/index.html [icu]: https://docs.rs/boa_icu_provider/latest/boa_icu_provider/index.html [runtime]: https://docs.rs/boa_runtime/latest/boa_runtime/index.html [string]: https://docs.rs/boa_string/latest/boa_string/index.html [macros]: https://docs.rs/boa_macros/latest/boa_macros/index.html [cli]: https://crates.io/crates/boa_cli