- (Lisäys 14.4. 13:40) https://emotionhackday.com/hackables/
Autentikointi
- Facebook Login: https://developers.facebook.com/docs/facebook-login
- Google Identity Platform: https://developers.google.com/identity/
- Metropolia CAS (toteutus löytyy ainakin PHP:lle)
- Sign In with LinkedIn: https://developer.linkedin.com/docs/signin-with-linkedin
- Lisää autentikointi-rajapintoja: http://www.programmableweb.com/news/30-authentication-apis-google-aol-windows-live-and-yahoo/2012/04/04