> brew install composer

> composer -V
Composer version 1.5.1 2017-08-09 16:07:22

> composer -vvv show -a [パッケージ名]

laravel/laravelの情報を取得

> composer show -a laravel/laravel
No composer.json found in the current directory, showing available packages from packagist.org
name     : laravel/laravel
descrip. : The Laravel Framework.
keywords : framework, laravel
versions : dev-master, 5.4.x-dev, v5.4.30, v5.4.23, v5.4.21, v5.4.19, v5.4.16, v5.4.15, v5.4.9, v5.4.3, v5.4.0, 5.3.x-dev, v5.3.30, v5.3.16, v5.3.10, v5.3.0, 5.2.x-dev, v5.2.31, v5.2.29, v5.2.27, v5.2.24, v5.2.23, v5.2.15, v5.2.0, 5.1.x-dev, v5.1.33, v5.1.11, v5.1.4, v5.1.3, v5.1.1, v5.1.0, 5.0.x-dev, v5.0.22, v5.0.16, v5.0.1, v5.0.0, v4.2.11, v4.2.0, v4.1.27, v4.1.18, v4.1.0, v4.0.9, v4.0.8, v4.0.7, v4.0.6, v4.0.5, v4.0.4, v4.0.0, v4.0.0-BETA4, v4.0.0-BETA3, dev-develop
type     : project
license  : MIT License (MIT) (OSI approved) https://spdx.org/licenses/MIT.html#licenseText
source   : [git] https://github.com/laravel/laravel.git 26eed641ebf08ea417d7dc589f61f2dbc5934706
dist     : [zip] https://api.github.com/repos/laravel/laravel/zipball/26eed641ebf08ea417d7dc589f61f2dbc5934706 26eed641ebf08ea417d7dc589f61f2dbc5934706
names    : laravel/laravel

autoload
classmap
database/seeds, database/factories
psr-4
App\ => app/

requires
php >=5.6.4
laravel/framework 5.4.*
laravel/tinker ~1.0

requires (dev)
fzaninotto/faker ~1.4
mockery/mockery 0.9.*
phpunit/phpunit ~5.7

> composer search [パッケージ名]

larabelで検索

> composer search laravel
laravel/laravel The Laravel Framework.
backup-manager/laravel Database backup manager seamlessly integrated with Laravel 4 or 5 with user-definable procedures and support for S3, Dropbox, FTP, SFTP, and more.
nexmo/laravel Laravel Package for Nexmo's PHP Client
reliese/laravel Reliese Components for Laravel Framework code generation.
contentful/laravel Integrates the Contentful PHP SDK with Laravel.
php-tmdb/laravel Laravel Package for TMDB ( The Movie Database ) API. Provides easy access to the wtfzdotnet/php-tmdb-api library.
parsedown/laravel Official Laravel Wrapper of Parsedown.
typerocket/laravel Makes form building and model binding a breeze.
pipeflow/laravel Pipeflow for the Laravel framework.
lucid-arch/laravel The Laravel Framework.
pointblue/laravel Larvel components and code used for Point Blue Applications
kavenegar/laravel laravel 4 and 5 kavenegar integration
laravel-ja/laravel The Laravel Framework.
linfo/laravel This is a Laravel 5 Wrapper for the linfo package from jrgp
alshahawi/laravel The Laravel Framework.