Etlworks is a modern ETL tool built for the cloud. It is also a full-fledged Enterprise Service Bus (ESB), so you can create your own APIs to extract and enrich the data from multiple, disparate sources, as well as submit and transform and then store this data in any supported destination, from the relational databases to cloud storage and APIs.
RudderStack a leading open source Customer Data Platform (CDP), they provide data pipelines that make it easy to collect data from every application, website and SaaS platform, then activate it in your warehouse and business tools.
At Talend, their mission is to connect the data-driven enterprise so customers can operate in real-time with new insight about customers, markets and business. Founded in 2006, Talend's global team of integration experts builds on open source innovation to create enterprise-ready solutions that help unlock business value more quickly. By design, Talend's integration software simplifies the development process, reduces the learning curve, and decreases total cost of ownership with a unified, open, and predictable platform.