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Prometheus is a Cloud Native Computing Foundation project for systems and service monitoring. With Prometheus you can collect metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts when specified conditions are observed. Prometheus include features like multi-dimensional data models. PromQL, a powerful and flexible query language to leverage this dimensionality. No dependency on distributed storage. An HTTP pull model for time series collection  and much more.

Datadog is a SaaS-based monitoring service for cloud-scale applications, providing monitoring of servers, databases, tools, and services, through a unique data analytics interface. With Datadog dog you can spot problems in your applications faster, and move quickly to fix it.

As the world's most popular free and open source technology for visualizing metrics, Graphana makes it easy to create a interactive dashboard for data monitoring. Grafana's designed from the ground-up for analyzing and visualizing metrics such as system CPU, memory, disk and I/O utilization. All metrics provided by connected data sources and applications can be visualized and monitored though charts, graphs, and alerts. You can also extend the core functionality of Graphana through a built-in plug-in system. Popular companies and applications like Uber, Robinhood, Nubank and others trust Graphana and its real-time visualization and monitoring capabilities.

Datadog is a SaaS-based monitoring service for cloud-scale applications, providing monitoring of servers, databases, tools, and services, through a unique data analytics interface. With Datadog dog you can spot problems in your applications faster, and move quickly to fix it.

Sqreen is an application security management platform that is changing the way that development, security and operation teams protect, observe and and test their applications. With Sqreen it's easy to get started, to deploy screen you only need to add a library to your applications. The platform supports a vide variety of languages and runtimes including Node.js, Go, Java, Python, PHP, Ruby and .NET.

Apache Airavata is a software framework that enables you to compose, manage, execute, and monitor large scale applications and workflows on distributed computing resources such as local clusters, supercomputers,computational grids, and computing clouds.