Talend is an open-source application used for data integration and comes loaded with different services and features to support data management and enterprise application integration. Informatica is a versatile and highly sought-after ETL tool ideal for organizing enterprise repositories. It is mainly used to facilitate commercial data integration, whereas Talend is suitable for both commercial and open-source data integration. Talend creates Java code that helps it execute on any platform that supports Java, while Informatica creates metadata stored in the RDBMS repository. Both Informatica and Talend are tremendously popular and offer support for Big Data too.