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GatsbyJS is a progressive web-app framework built on-top of ReactJS that includes static site generation and uses GraphQL to store and access content from any data source. Agility CMS is a headless CMS that syncs content from your CMS to your website, ensuring that the content was always readily accessible on the web server. GatsbysbyJS has a thriving open source community and a world-class developer experience with tutorials for everything and loads of plugins for your favorite data sources.