Total Network Inventory - Total Network Inventory is a piece of software designed to help with managing software inventory and auditing PC systems.
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Lansweeper - Lansweeper discovers Windows, Linux and Mac machines in your network.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Kuwaiba - Kuwaiba is an open source, enterprise grade network inventory and CMDB for your telecommunications and IT infrastructure
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.