It's easy to use is very good for integration with third party applications like Sage line 50 we can do lot of things using this which are not possible via any other softwares out there - Integration between accounts payables receivable etc it has got all features necessary as per our needs so nothing much dislike about optipro erp at moment:-)Integration w/ Third Party Applications (Sage Line50). I like the fact that it is easy to use and has a lot of customization options. It's a great system for manufacturing. It is easy to use and has a lot of customization options. I dislike the fact that sometimes it takes a while to load and sometimes it crashes. I would recommend it to anyone who is looking for a good ERP system for manufacturing. We are solving a lot of problems in our manufacturing business.