Hosted Graphite!

An uncompromising mature enterprise-level platform designed for real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines and network devices, effortlessly scaling to even larger environments.

Datadog is a monitoring service for IT, Dev & Ops teams who write and run applications at scale, and want to turn the massive amounts of data produced by their apps, tools and services into a unified view of IT infrastructure. Datadog's capabilities are provided on a SaaS-based data analytics platform that enables multiple teams to work collaboratively on infrastructure issues.

Icinga is a fork of Nagios and is backward compatible. So, Nagios configurations, plugins and addons can all be used with Icinga. Though Icinga retains all the existing features of its predecessor, it builds on them to add many long awaited patches and features requested by the user community. Icinga is an enterprise grade open source monitoring system which keeps watch over a network and any conceivable network resource, notifies the user of errors and recoveries, and generates performance data for reporting. Scalable and extensible, Icinga can monitor complex, large environments across dispersed locations. Icinga is licensed under GPL V2. »

Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems. It is designed to be very plug and play. A default installation provides a lot of graphs with almost no work.

Grafana provides a powerful and elegant way to create, explore, and share dashboards and data with your team and the world.

Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community. It is now a standalone open source project and maintained independently of any company.

The Sensu Open Source Project (a.k.a. "Sensu Core") intends to provide an open framework for building comprehensive monitoring solutions, without imposing restrictions or being overly opinionated. While new user-facing "features" may be developed exclusively in Sensu Enterprise, the framework that makes those features possible will always be a part of Sensu Core.

IT monitoring has never been easier - lean back and let CloudRadar keep an eye on your servers, services and hosts. Up and running in minutes. No back doors.

OpsDash is a server monitoring, service monitoring, database monitoring, app metric monitoring and uptime monitoring solution for monitoring MySQL, PostgreSQL, MongoDB, Docker, Memcache, Redis, Apache, Nginx, Elasticsearch and more. It provides intelligent, customizable dashboards and rule-based alerting and notification via email, HipChat, Slack, OpsGenie, PagerDuty VictorOps, and Webhooks. Send in your custom metrics with StatsD and Graphite interfaces built into each agent.

Idera, formerly CopperEgg, is an all-in-one software-as-a-service designed and priced to ensure that organizations can effectively react to infrastructure performance issues. Idera provides four essential monitoring capabilities, giving you everything you need to identify and react to performance issues. These include server monitoring, website and web application monitoring, AWS monitoring, and database monitoring. Understanding the complex nature of today's IT infrastructures, we include out-of-the-box and fully customizable dashboards, alerts, and metric reports to match the requirements of your particular environment. »

BigPanda Inc. enables Enterprise IT to intelligently automate and scale Service Operations to meet the complex demands of the modern datacenter. The company’s Algorithmic Service Operations platform turns IT noise from fragmented clouds, teams, applications and monitoring tools into actionable insights to speed the resolution of IT incidents. Many of the world’s largest enterprises such as Intel, Workday, News Corp, Macy’s and Cisco rely on BigPanda to power their Service Operations.

Server Density offers unique SaaS-based scalable infrastructure monitoring to help businesses save time and money. With advanced server and website monitoring alerts, graphing tools and integrations with all major cloud service providers, Server Density’s robust and scalable solution helps businesses and IT operations teams be more responsive to issues, make their websites faster and minimise downtime.