OAuthSwift 是国外主流网站 OAuth 授权类库，支持Twitter, Flickr, Github, Instagram, Foursquare. Fitbit, Withings, Linkedin, Dropbox, Dribbble, Salesforce, BitBucket, GoogleDrive, Smugmug, Intuit, Zaim, Tumblr, Slack, Uber, Gitter, Facebook, Spotify, Typetalk etc等平台。