Extra Goodies
瀏覽器擴充：Reason-tools
Reason-tools 讓你可以瀏覽 OCaml 或 Reason 的教學或文件時，快速切換 OCaml 與 Reason 語法。
REPL
re:bench
re:bench is an online benchmarking playground. It supports test cases written in Reason, OCaml and JavaScript, and allows sharing of benchmarks through unique URLs. It's compiled to JS using BuckleScript.
Redex
Redex: the Reason packages registry.