From Alpha Centauri Software:
SIDVault is a Simple Integration Database, allowing easy management and install with high performance LDAP v3 server. It supports any number of schemas, easy to add/modify existing schemas, integrated Web based user access, and fast browser based administration tools. Supports all relevant RFC protocols LDAP v2, LDAP v3, HTTP and ILS. Version 2.0e may include unspecified updates, enhancements, or bug fixes.