A content management system (CMS) is a computer software system used to assist its users in the process of content management. A CMS facilitates the organization, control, and publication of a large body of documents and other content, such as images and multimedia resources. A CMS often facilitates the collaborative creation of documents. A web content management system is a content management system with additional features to ease the tasks required to publish web content to websites. Web Content management systems are often used for storing, controlling, versioning, and publishing industry-specific documentation such as news articles, operators' manuals, technical manuals, sales guides, and marketing brochures.

There are several proprietary as well as Open Source CMS available. A good resource for researching and experimenting with open source CMS tools is opensourcecms.org.