GQ is a GTK-based LDAP client. Features include:

  - browse and search modes
  - LDAP V3 schema browser
  - template editor
  - edit and delete entries
  - add entries with templates
  - export subtree or whole server to LDIF file
  - use any number of servers
  - search based on single argument or LDAP filter

WWW: https://sourceforge.net/projects/gqclient/