phpListings.com - Start your own business directory website with customizable widget-based templates and effective listing monetization tools.
OpenLDAP - OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol.
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FreeIPA - FreeIPA is an integrated security information management solution combining Linux (Fedora), 389...
HivePress - HivePress is a free WordPress plugin that allows you to build any type of directory and listing websites. It's incredibly easy to use and highly customizable.
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