ZXID.org Identity Management toolkit implements standalone SAML 2.0,Liberty ID-WSF 2.0, and XACML 2.0 stacks and aims at implementing all popularfederation, SSO, and ID Web Services protocols. It is a C implementationwith minimal external dependencies - OpenSSL, CURL, and zlib -ensuring easy deployment (no DLL hell). Due to its small footprint andefficient and accurate schema driven implementation, it is suitablefor embedded and high volume applications.