It has free version and can do majority of the work. Overall easy to work with. Has forum and community support. Has many components.

easy to use , great performance, used it for our internal datawarehouse. easy to build and connect to our data sources such as salesforce, netsuite, marketo.

Just dipping my toe in to the water of possibilities with big data. Easy to connect with my data source and warehouse. Support has been great.

Talend is phenomenal at bridging the data gap between two disparate (or like) data sources. One way we've used Talend in the past was to bring data from Marketo into NetSuite, and one way we're using it now is to bring data from SFDC, Netsuite (for Finance) and Marketo into Tableau for optimized reporting. Within Marketo, I've personally used Talend to update campaign flow steps in bulk, that otherwise would have been manual. Huge time saver.

overall I can suggest it to use it is most powerful and cheaper solution.