QSchmed is a GUI editor for LDAPV3 schema files. It is customisable for unique OID's and will suck the schema directly from the LDAPV3 server. Unlike other LDAP gui's out there, this one actually edit's the schema itself. It is *not* (yet) an LDAP browser
An Eclipse plugin for browsing and editing LDAP directories. Includes: tree-based DIT-browser, entry editor, spreadsheet-like search result editor, schema browser, LDIF support and a rich LDIF editor.
Directory Manager is a tool for managing LDAP directory data. It includes a schema independant editor, a schema viewer and some pretty Views of the data. (And an easy way to create your own custom views). Directory Manager requires an LDAP v3 server.