Socialite is an OAuth2 Authentication tool. It is inspired by laravel/socialite, you can easily use it without Laravel.
Social OAuth Authentication for Laravel 5. drivers: facebook, github, google, linkedin, weibo, qq, wechat and douban
An OAuth 2.0 bridge for Laravel and Lumen [DEPRECATED FOR LARAVEL 5.3+]
Easily add new or override built-in Laravel Socialite providers
Braindead simple social login with Laravel and Eloquent.
Eloquent OAuth service provider and assets for Laravel 5
A Laravel 5 service provider for league/oauth2-instagram