Apache Camel - Apache Camel is a versatile open-source integration framework based on known enterprise integration patterns.
Software AG webMethods - Software AG’s webMethods enables you to quickly integrate systems, partners, data, devices and SaaS applications
TIBCO BusinessWorks - TIBCO BusinessWorks is a platform for developing new services and integrating applications with minimal code required.
IBM App Connect - IBM App Connect is the all-in-one integration tool for connecting apps, integrating data, building APIs and acting on events
Apigee - Intelligent and complete API platform
Azure Service Bus - Learn how to set up messaging that connects applications and services across on-premises and cloud environments. Tutorials, videos, API references, and more.