I personally prefer proprietary software for commercial use. You might pay more upfront, but with open source I feel like you will pay more overtime because of support. Unless you have some really skilled programmers, I don't see a reason to go with the open source route.
Our company (Data Integration Software | .NET ETL | Data Mapping Software - Astera Software) has a proprietary commercial software and it works really well. Take a look at it for yourself. (Centerprise Data Integrator 5.0)
Also, I have used Talend Open Studio and I can see that it is probably a great application, but I had a tough time using it. I'm not really tech-savvy and that is why it was easier for me to use our software because of the fact that it is already packed with features in a clean way.
Our company (Data Integration Software | .NET ETL | Data Mapping Software - Astera Software) has a proprietary commercial software and it works really well. Take a look at it for yourself. (Centerprise Data Integrator 5.0)
Also, I have used Talend Open Studio and I can see that it is probably a great application, but I had a tough time using it. I'm not really tech-savvy and that is why it was easier for me to use our software because of the fact that it is already packed with features in a clean way.