Cabot vs OpsView: What are the differences?

Developers describe Cabot as "Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty". Cabot is a free, open-source, self-hosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity. Monitor services (e.g. "Stage Redis server", "Production ElasticSearch cluster") and send telephone, sms or hipchat/email alerts to your on-duty team if those services start misbehaving or go down - all without writing a line of code. On the other hand, OpsView is detailed as "Monitor your infrastructure and applications, running on-premise or in the cloud, all within a single product". It monitor Your Infrastructure and Applications on-premise or in the cloud, anticipate and resolve issues before user impact. . Full information helps you to work smarter, faster and make more informed decisions.

Cabot and OpsView can be primarily classified as "Monitoring" tools.

Cabot is an open source tool with 4.49K GitHub stars and 487 GitHub forks. Here's a link to Cabot's open source repository on GitHub.