This document provides an overview of digital humanities (DH), including definitions, a brief history, tools used in DH, and examples of DH projects and centers. DH is defined as using computational tools and methods to expand humanities research and communication. It has evolved from humanities computing beginning in the 1960s. Libraries play a key role in DH through activities like digitization, curation, and providing tools and space for DH work. The document discusses several DH tools and projects in South Africa and worldwide as illustrations.