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Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.

Puppet Data Center Automation Solution helps you save time, gain visibility into your server environment, and ensure consistency across your IT infrastructure.

RunDeck is an open source automation service with a web console, command line tools and a WebAPI. It lets you easily run automation tasks across a set of nodes.

Deployer is a deployment tool written in PHP, it's simple and functional. Deploy your code to all servers you want, it supports deploy via copy, or via VCS (like git), or via rsync. Run your tasks on all your servers, or use our recipes of common tasks for Symfony, Laravel, Zend Framework and Yii.

cdist is an alternative to other configuration management systems like cfengine, bcfg2, chef and puppet. But cdist ticks differently.

SAM-Solution is a management tool for IT-infrastructures, intended for companies. It allows to centralize system and software migrations, as well as backup and restoration of user data. This tool design goal is to help the system adminstrator of a company in his work, and to be easily usable by the final user.

Mina is a really fast deployer and server automation tool written in Ruby.

FAI, Fully Automatic Installation, is a non-interactive system to install, customize and manage Linux systems and software configurations on computers as well as virtual machines and chroot environments, from small networks to large-scale infrastructures like clusters and cloud environments.

Network Storage Appliance featuring the zfs filesystem, which provides block-level checksumming & automated tier management most notably.It provides enterprise class experience, with an easy to use web based interface to administer your file server. It features iSCSI support, unlimited incremental backups or 'snapshots', snapshot mirroring (replication), block level mirroring (CDP), integrated search within ZFS snapshots and a custom API. The best file server for your x86 hardware.