IBM App Connect - IBM App Connect is the all-in-one integration tool for connecting apps, integrating data, building APIs and acting on events
Software AG webMethods - Software AG’s webMethods enables you to quickly integrate systems, partners, data, devices and SaaS applications
tray.io - Enterprise-scale integration platform
Apache Camel - Apache Camel is a versatile open-source integration framework based on known enterprise integration patterns.
Integrator.io iPaaS by Celigo - Next-Generation iPaaS integration platform
Peregrine Connect - The only enterprise integration product built on Microsoft .NET. Peregrine enables you to quickly and easily connect your line-of-business systems.