Using wp single login you can easily add the functionality to allow only single login per user.
More Plugins
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Catalog for Woocommerce
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WP All Export – Product Export Add-On for WooCommerce
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Wp-Insert
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Motors – Car Dealership & Classified Listings Plugin
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Download Attachments
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RealHomes Currency Switcher
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WP SAML Auth
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MonsterInsights – Google Analytics Dashboard for WordPress (Website Stats Made Easy)
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Maintenance
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User Role Editor
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Piano Block
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Limit Widgets
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In Memoriam (Light a Candle)
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Decimal Product Quantity for WooCommerce
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Public Post Preview
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FoxyShop
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Retro Game Emulator
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Weaver Show Sliders
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Rel Nofollow Checkbox
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