Clean up your website permissions
Twitter
https://twitter.com/settings/connected_apps
https://twitter.com/settings/sessions
Facebook
https://www.facebook.com/settings?tab=applications
https://www.facebook.com/settings?tab=business_tools
Github
https://github.com/settings/installations
https://github.com/settings/apps/authorizations
https://github.com/settings/applications
https://github.com/settings/tokens
Bitbucket
https://bitbucket.org/account/settings/app-authorizations/
Dropbox
https://www.dropbox.com/account/connected_apps