The Talend Runtime package includes:
Talend ESB Container (Talend Runtime container), which is a ready to be used OSGi container allowing you to deploy all your features, as well as the following infrastructure services:
Service Locator, a ready-to-be-used failover and load balancer tool (based on Apache Zookeeper) allowing you to dynamically register your endpoints;
Service Activity Monitoring, a monitoring tool facilitating the capture of analysis of service activity;
Security Token Service, a framework allowing clients and services to securely and transparently authenticate during connections.
Apache ActiveMQ, which is a message broker enabling to support different messaging options.
As Talend Runtime is not supported on Mac, you should install it on a Windows or a Linux machine. See the related Talend Installation and Upgrade Guide for more information.