Custom Order Status Plugin allows you to add custom order status using custom order setting page. To add custom status go to WooCoomerce > Custom Orders. Now you can see custom order status in orders page, here you can change custom status.
Settings page is provided to add custom order status.
You can use your own custom order status in orders page
Oshame Thomas –
One of the great plugin i used till now for eCommerce. Its is very useful to deal with your custom order status. Great work done from NCode Technologies, Inc.