Chef

Configuration management tool which uses a pure-Ruby, domain-specific language (DSL) for writing system configuration recipes. Supports Linux, UNIX, Windows, and AIX as first-class citizens for management.

     

linux windows open-source provisioning config-mgmt ruby

Consul

Consul makes it simple for services to register themselves and to discover other services via a DNS or HTTP interface. Register external services such as SaaS providers as well

     

linux windows osx open-source service-discovery go monitoring

FastForward

Flexible operating-system event and metric forwarding agent. Receives input and forwards output using plugins.

     

linux windows osx open-source metrics monitoring ruby

Fig

A package management tool, similar to Ivy/APT, but language agnostic, faster and works well with both executables and libraries.

     

linux windows osx open-source packaging ruby

Instrumental

Instrumental is a real-time, high-scale application and server monitoring tool with intelligent alerts, a powerful query language, and free development accounts.

     

linux windows oxs free metrics commercial metrics monitoring visualization php ruby python net java nodejs

Puppet

Puppet is a tool designed to manage the configuration of Unix-like and Microsoft Windows systems declaratively.

     

linux windows osx open-source config-mgmt ruby

Vagrant Cachier

A Vagrant plugin that helps you reduce the amount of coffee you drink while waiting for boxes to be provisioned by sharing a common package cache among similiar VM instances.

     

linux windows osx open-source virt artifacts ruby

Veewee

veewee is a great tool for building Virtual Machine images (aka base boxes). It automates most of the steps and allows you to easily create readymade images for VirtualBox/Vagrant, VMWare Fusion, KVM and Parallels. No longer need to shy away from building custom VM images!

     

linux osx windows open-source virt packaging ruby