Innovators who participate in IIW include the leaders of:

Open Standards

• OpenID
• OAuth
• Open Social
• Portable Contacts
• Activity Streams
• Information Cards
• OASIS XRD (eXtensible Resource Descriptor)
• OASIS XRI (eXtensible Resource Identifier)
• OASIS XDI (XRI Data Interchange)
• SAML
• Liberty Alliance ID-WSF
• WS-Trust
• DiSoDistributed Social Networking Project

Standards Interop

• OSIS (Open Source Identity Systems)
• Concordia

Major Information Card Projects

• The Pamela Project Relying Party Code
• Higgins Project
• CardSpace
• Bandit
• XMLDAP (The first Java Information Card library) Relying Party Code and Security Token Server code

Browser Based Card Selectors

• Higgins Project (offers both browser-based and native card selectors)
• openinfocard

Multi-Protocol Open Source Projects

• Higgins Project (supports Information Cards, OpenID, SAML, XRI, XDI)
• simpleSAMLphp
• Shibboleth
• CAS (Central Authentication Service) project (supports OpenID, SAML, prototype Information Card support)
• Bandit
• OpenSSO (supports SAML, Liberty ID-FF/ID-WSF, WS-Federation, Information Cards, OpenID)

Industry Consortia

• Identity Commons
• Liberty Alliance
• OASIS ID Trust
• ITU-T Focus Group on IdM and subsequent activity.

Groups Addressing Legal/Social/Business Issues

• Research and Education Federations (REFEDs)
• DataPortability Project
• ID-LegalWorkingn group at Identity Commons
• Kids Online Working group at Identity Commons
• UserCentric Health Working group at Identity Commons
• Project VRM
• Liberty Alliance Identity Assurance Framework
• Liberty Alliance Identity Governance Framework