Net::LDAP for Ruby (also called net-ldap) implements client access for the Lightweight Directory Access Protocol (LDAP), an IETF standard protocol for accessing distributed directory services. Net::LDAP is written completely in Ruby with no external dependencies. It supports most LDAP client feat...

Active Directory authentication module for Devise, based off of LDAP Authentication

A Gem tuned specifically to authenticate to Active Directory's flavor of ldap. Very bare-bones

working towards getting active ldap to work on rails 3

Include a parameterized dynamic module in a namespace and get a full LDAP class hierarchy at your disposal.

Pure Ruby LDAP library.

Simple read-only JSON API to an LDAP server. Written in Sinatra with net-ldap and json.

Ruby LDAP wrapper

LDAP strategies for OmniAuth.

Devise strategy to authenticate against IBM w3 LDAP directory.

Net::LDAP is a feature-complete LDAP support library written in pure Ruby. It supports most LDAP client features and a subset of server features as well.

For when you don't have access to LDAP

Rails plugin to manage CAS, Authentication, and LDAP name info

Ldapmapper : provide CRUD object for LDAP data manipulations

Really simple PAM support for Authlogic via the rpam package. Code heavily based on authlogic_ldap and authlogic_openid.

Net::LDAP is a feature-complete LDAP support library written in pure Ruby. It supports most LDAP client features and a subset of server features as well.

AndrewID provides a ruby interface to CMU student info stored in LDAP

A DataMapper Adapter for LDAP, as simply as possible.

Simplifies CAS auth and ldap authz within your rails application

This project will be the focus of development for a pure Ruby LDAP environment. A full-featured pure-Ruby LDAP client is now available.