cantigaMembership management system that helps non-profit organizations running their projects, written in PHP / Symfony.
civicrm-wp-member-syncCiviCRM WordPress Member Sync plugin keeps a WordPress user in sync with a CiviCRM membership by granting either a role or capabilities to a WordPress user who has that membership.
utopia-crmUtopía is an open source platform for community based newsrooms to manage their subscriptions
MvcAccountAuthentication and Account Management plugin for ASP.NET MVC