Apache Camel - Apache Camel is a versatile open-source integration framework based on known enterprise integration patterns.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
WSO2 Enterprise Service Bus - WSO2 ESB enables enterprises to be more agile in delivering new digital products and services, both internally as well as across digital ecosystems.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Software AG webMethods - Software AG’s webMethods enables you to quickly integrate systems, partners, data, devices and SaaS applications
Prometheus - An open-source systems monitoring and alerting toolkit.