Bcfg2 is described as 'helps system administrators produce a consistent, reproducible, and verifiable description of their environment, and offers visualization and reporting tools to aid in day-to-day administrative tasks' and is an app in the Network & Admin category. There are more than 10 alternatives to Bcfg2 for a variety of platforms, including Linux, Mac, Windows, BSD and Online / Web-based. The best alternative is Ansible, which is both free and Open Source. Other great apps like Bcfg2 are Salt (Free, Open Source), Puppet (Freemium, Open Source), Chef (Free, Open Source) and RunDeck (Free, Open Source).
Chef is an open source systems integration framework built to bring the benefits of configuration management to your entire infrastructure. You write source code to describe how you want each part of your infrastructure to be built, then apply those descriptions to your servers.
munki is a set of tools that, used together with a webserver-based repository of packages and package metadata, can be used by OS X administrators to manage software installs (and in many cases removals) on OS X client machines.
Rudder is an easy to use, web-driven, role-based solution for Continuous Automation and Compliance. Well established in companies from small to biggest-in-their-field. The biggest known deployment (2016) is about 7000 nodes.
Ensure compliance Define the desired state and configuration of your IT infrastructure, and CFEngine will automatically ensure that it complies. Automate Automatically roll out updates and changes to every node in your infrastructure, whether you have 50 or 50,000 nodes.