| Gluu Server 3 | MITREid Connect | Aerobase.io | WSO2 Identity Server | Keycloak | Connect2id | pyoidc | |
|---|---|---|---|---|---|---|---|
| Multi-factor authentication | Yes | Not out of the box | Yes | Yes | Yes | Yes | - |
| Admin UI | Yes | Yes | Yes | Yes | Yes | Yes | - |
| OpenJDK support | Yes | Yes | Yes | Yes | Yes | Yes | - |
| Identity brokering | Yes | Not out of the box | Yes | Yes | Yes | Yes | - |
| Installation/Deployment | Medium | Medium | Easy | Easy | Easy | Easy | Easy |
| Resources Needed* | High | Medium | - | Medium | Light | Medium | - |
| Active Development | Yes | Yes | Yes | Yes | Yes | - | Yes |
| OpenSource | Yes | Yes | Yes | Yes | Yes | Not Really | Yes |
| Documentation | Very Good | Good | Good | Good | Very Good | Good | Bad |
| Extra Features | SAML,CAS,FIDO U2F/2.0, OTP, 2FA, UMA | - | 2FA | SAML,WS-Federation Passive,OTP | SAML,FIDO U2F(exp),OTP | SAML,2FA,OTP,FIDO,PSD2 | - |
*Minimum -> High=4gb, Medium=2gb, Low=1gb