is-windows
Returns true if the platform is windows. UMD module, works with node.js, commonjs, browser, AMD, electron, etc.
upath
A proxy to `path`, replacing `\` with `/` for all results (supports UNC paths) & new methods to normalize & join keeping leading `./` and add, change, default, trim file extensions.
cross-spawn
Cross platform child_process#spawn and child_process#spawnSync
ospath
Operating system specific paths.