<s>
CAS	O
/	O
Central	O
Authentication	O
ServiceApereoFree	O
&	O
Open	O
Source	O
(	O
Apache	B-Application
2.0	I-Application
)	O
Protocol	O
and	O
open-source	O
SSO	O
server/client	O
implementation	O
with	O
support	O
for	O
CAS	O
,	O
SAML1	O
,	O
SAML2	O
,	O
OAuth2	O
,	O
SCIM	O
,	O
OpenID	O
Connect	O
and	O
WS-Fed	O
protocols	O
both	O
as	O
an	O
identity	O
provider	O
and	O
a	O
service	O
provider	O
with	O
other	O
auxiliary	O
functions	O
that	O
deal	O
with	O
user	O
consent	O
,	O
access	O
management	O
,	O
impersonation	O
,	O
terms	O
of	O
use	O
,	O
etc	O
.	O
</s>
<s>
Licensed	O
under	O
Apache	O
2.0.CoSign	O
single	O
sign	O
onUniversity	O
of	O
MichiganAcademic	O
SSO	O
for	O
University	O
of	O
MichiganDistributed	O
Access	O
Control	O
System	O
(	O
DACS	O
)	O
Distributed	O
Systems	O
SoftwareFree	O
Software	O
Facebook	B-Application
connectFacebookProprietary	O
Facebook	B-Application
SSO	O
to	O
third	O
parties	O
enabled	O
by	O
FacebookFreeIPARed	O
HatFree	O
SoftwareYesIceWall	O
SSOHewlett-Packard	O
EnterpriseProprietary	O
Web	O
and	O
Federated	O
Single	O
Sign-On	O
SolutionIBM	O
Enterprise	O
Identity	O
MappingIBMFree	O
softwareYesWorks	O
with	O
Kerberos	O
(	O
e.g.	O
</s>
<s>
Red	O
Hat	O
Single	O
Sign-On	O
is	O
version	O
of	O
Keycloak	B-Language
for	O
which	O
RedHat	O
provides	O
commercial	O
support.LoginRadiusLoginRadius	O
Inc.ProprietaryYesCloud-based	O
Customer	O
Identity	O
and	O
Access	O
Management	O
with	O
User	O
Registration	O
,	O
Social	O
login	O
,	O
Federated	O
SSO( SAML	O
1.1	O
,	O
Saml	O
2.0	O
,	O
Oauth2	O
,	O
JWT	O
,	O
Multipass	O
,	O
etc	O
.	O
</s>
<s>
)	O
,	O
and	O
Web	O
single	O
sign	O
on.Microsoft	O
accountMicrosoftProprietary	O
Microsoft	O
single	O
sign-on	O
web	O
servicemyOneLoginVMwareProprietary	O
Cloud	O
single	O
sign-onNetIQ	O
Access	O
ManagerMicrofocusProprietaryYes	O
,	O
used	O
in	O
conjunction	O
with	O
NetIQ	B-Application
Identity	O
ManagerAccess	O
Management	O
,	O
Federation	O
and	O
Risk-Based	O
Access	O
Control	O
platformNumina	O
Application	O
FrameworkNumina	O
SolutionsProprietaryYesSingle	O
sign-on	O
system	O
for	O
Windows	O
(	O
OpenID	O
RP	O
&	O
OP	O
,	O
SAML	O
IdP	O
,	O
and	O
proprietary	B-Application
)	O
OneLoginOneLogin	O
Inc.ProprietaryYesCloud-based	O
identity	O
and	O
access	O
management	O
with	O
single	O
sign-on	O
(	O
SSO	O
)	O
and	O
active	O
directory	O
integration	O
OpenAthensJiscProprietaryYesIdentity	O
and	O
access	O
management	O
solutions	O
to	O
IdPs	O
and	O
SPs	O
enabling	O
access	O
management	O
to	O
web-based	O
resources	O
.	O
</s>
