Concrete CMS allows users to edit images through an embedded editor on the page.

Some core features are: integrated server caching, developer API, version tracking system and search engine optimization.

Editable areas are defined in Concrete templates which allow editors to insert blocks of content.

Concrete CMS is free and open-source (FOSS) under the MIT software license.

[14] This major new release added new features like multisite support, boards, new built-in gallery block and a new UI based on Bootstrap 5.