First standalone OpenID provider.  Full featured solutions for both individuals and businesses. 

OP with imagebased antiphishing solution

We are offering an OpenID Provider (OP) as a Free Software with LDAP support as a backend. LDAP stands for Lightweight Directory Access Protocol - Internet protocol that email and other programs use to look up information from a server. It means our Identity Provider will be multi-user and could be easily integrated into solutions based on LDAP SSO (Single sign-on). The current development version works fine with both OpenLDAP and Microsoft Server 2003 Active Directory.

A fully-integrated OpenID consumer solution for the popular phpBB bulletin board software package. Simple Registration support.

Now available for free download.

Launching grassroots marketing efforts focused on increasing adoption and raising awareness of OpenID to help lay the ground work for an Internet wide digital identity solution.

What are you - A Creative freak or a Cognitive Geek? Either way you will love this!

Saywit ( http://saywit.com ) is a social webapp to share our ingenuity, creative thinking, and out-of-box solutions. It aims to bring out our creative intelligence naturally, and makes it fun all the way!

Barnraiser creates 3 pieces of free software for OpeniD:

AROUNDMe Personal identity: The perfect solution for anyone wishing to create their own their identity on the web.

AROUNDMe identity server: A multi-account OpenID server offering anyone OpenID, a web site and social networking.

AROUNDMe collaboration server: Create a social website and build collaboration around your chosen mutual interest.

All GPL free software - enjoy.

OpenID IdP supporting speaker verification for strong authentication offered by VxV Solutions - US English Only

WSO2 Identity Solution is a set of Relying Party components and an Identity Provider to enable CardSpace and OpenID authentication.

Offers mobile phone users income from relevant location based content and provides a contextual advertising solution to web publishers and businesses.