A Unix-like computer operating system; foundation of the free and open-source software movement
A widely used high-level programming language; used for general purpose programming
An open-source object-relational database (ORDBMS); handles workloads ranging from small single-machine applications to large scale web services
An open-source programming language and software environment for statistical computing and graphics
LXC (Linux Containers)
An operating-system-level virtualization method for running multiple isolated Linux systems on a control host using Linux kernel
An open-source automation engine that automates software
provisioning, configuration management, and application deployment.