Structr

Key features

• Visual graph schema modeling Graph-based schema editor: model custom types, properties, and relationships visually, with runtime schema evolution and no join-heavy queries.[1][2]

• REST APIs with OpenAPI and Cypher Auto-generated REST and JSON APIs: expose types and methods with OpenAPI configuration, plus direct Cypher query execution and a visual graph browser.[1]

• Drag-and-drop page builder Page and template builder: drag-and-drop UI components with dynamic repeaters bound to graph queries, templating expressions, localization, and live preview.[1][2]

• Visual workflow automation Node-based flow editor: model orchestration and automation logic visually, combined with existing scripts where needed.[1][2]

• GraalVM polyglot scripting Polyglot scripting via GraalVM: write isolated script expressions and methods in any GraalVM-supported language, with runtime execution and inspection.[1]

• Virtual files with S3 storage Virtual filesystem with external storage: manage files with custom metadata, store binaries on S3-compatible providers, and access files over HTTP, FTP, or SSH/SCP.[1]

• Role-based access control Security and access control built in: user and group management with role-based and resource-based permissions, REST API access control, and CORS configuration.[1]

• Free Community, paid Enterprise Free self-hosted Community plus commercial options: run the full platform yourself at no license cost, or buy commercial licenses, support, and Enterprise hosting on Germany or EU infrastructure.[1][2]

Who will love it

• Teams building custom internal tools on connected data: CRM, ERP, PIM, and DMS-style systems are the vendor stated sweet spot, where graph modeling fits intertwined records.[1][2]

• Organizations that must self-host in Germany or the EU: fully self-hosted operation with no mandatory cloud services plus GDPR-compliant deployment support.[1][2]

• Developers who want backend, frontend, and tooling in one stack: a single-file install with Docker and Kubernetes options keeps small services and larger deployments on the same platform.[1][2]

Who should avoid it

• Teams expecting a ready-made CMS, CRM, or ERP: Structr explicitly is not a prebuilt business application, so you model and build the domain yourself.[1]

• Teams wanting managed hosting today: the Cloud tiers are announced with early access and expected availability in early 2027, so self-hosting or Enterprise engagement is required now.[1][2]

• Teams avoiding strong copyleft or graph databases: the core is GPL/AGPL licensed and Neo4j 4.4 or newer is required, which rules out some stacks and license policies.[1][2]

Alternatives and compatibility