AirBrake - Airbrake is the leading exception reporting service, currently providing error tracking.
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
HoneyBadger - Exception, uptime, and performance monitoring for Ruby.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Sentry.io - From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.