Yes, we have made an add-on for our QloApps Marketplace which is called QloApps Marketplace Myallocator Connector.
With the help of this add-on, your marketplace seller will be able to sync their rates and inventories across different OTAs via Myallocator Channel Manager.
https://store.webkul.com/QloApps-Marketplace-Myallocator-Connector.html