Go, also known as Golang, is a high-level, general-purpose, open-source programming language designed at Google by Robert Griesemer, Rob Pike, and Ken Thompson. It was publicly announced in 2009 and emphasizes simplicity, efficiency, and memory safety. Go's syntax is similar to C, but it also features garbage collection, structural typing, and CSP-style concurrency.
Go was created to address challenges faced when building large-scale software systems, aiming to improve programming productivity in an era of multicore, networked machines and large codebases. It is well-suited for networking and multiprocessing tasks and is used by companies like Dropbox, Netflix, SoundCloud, and Uber. Applications written in Go include Docker and Kubernetes. Go is often favored for building microservices and distributed systems because of its ability to efficiently manage concurrent tasks.