babel-plugin-transform-class-properties(latest: 6.24.1) This plugin transforms static class properties as well as properties declared with the property initializer syntax
babel-plugin-transform-es2015-typeof-symbol(latest: 6.23.0) This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)
babel-eslint(latest: 10.1.0) Custom parser for ESLint
babel(latest: 6.23.0) Turn ES6 code into readable vanilla ES5 with source maps
babel-traverse(latest: 6.26.0) The Babel Traverse module maintains the overall tree state, and is responsible for replacing, removing, and adding nodes
babel-plugin-transform-strict-mode(latest: 6.24.1) This plugin places a 'use strict'; directive at the top of all files to enable strict mode
babel-plugin-transform-runtime(latest: 6.23.0) Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals
babel-plugin-minify-flip-comparisons(latest: 0.4.3) **Note:** while this plugin doesn’t shorten the output in any way, it does optimize it for repetition-based compression algorithms such as gzip.
babel-plugin-minify-replace(latest: 0.5.0) Configurable "search and replace" plugin. Replaces matching nodes in the tree with a given replacement node. For example you can replace `process.NODE_ENV` with `"production"`.
babel-plugin-minify-simplify(latest: 0.5.1) > Simplifies code for minification by reducing statements into expressions and making expressions uniform where possible.
babel-plugin-minify-type-constructors(latest: 0.4.3) **Note:** Not recommended if full support for IE8 and lower is required. [Details](https://github.com/babel/minify/pull/45#discussion_r70181249)