The best free alternative to Gigya is Keycloak, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Gigya and 13 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Gigya are Okta (Freemium), Auth0 (Freemium), Civic (Free) and Loginza (Free).
You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method used to authenticate the users of that application: • Custom credentials: username + passwords • Social network logins: Google, Facebook, Twitter...
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