demo
https://codecanyon.net/item/php-live-chat-pro/19932933
Self hosted chat application.
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Prefer:
https://www.opencart.com/index.php?route=marketplace/extension/info&extension_id=32586&filter_search=image%20manager&filter_download_id=59
or
https://www.opencart.com/index.php?route=marketplace/extension/info&extension_id=26371&filter_search=image%20manager&filter_download_id=59
