Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
BlueCat DDI - Unify your DDI (DNS, DHCP and IPAM) solutions to make DDI data an engine for innovation and growth.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
ManageEngine OpUtils - ManageEngine OpUtils is an IP address and Switch port management software that includes a comprehensive set of 30+ tools that helps network engineers monitor, diagnose and troubleshoot their IT resources.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
phpIPAM - phpipam is an open-source web IP address management application (IPAM).