Structr is Open Source. But there's also a company behind Structr offering a wide range of services.

Some of the Features

Security and Access Control

User and groups management; Public, protected and private nodes; OAuth integration, HTTPS/SSL configuration

Graph-based Page Rendering Engine

Ultra-fast HTML5 page rendering engine with access control on element level; supports templates

Integrated REST Server

Convert Neo4j into a Document database and create your own Database-as-a-Service in just minutes

Data modeling without programming

Create and maintain your data model at runtime with the Visual Schema Editor

Built-in file and image server

Serve files, images and stream videos with Structr; Up- and download via FTP

Advanced indexing and -search

Numeric, range-, date- and geo-queries; Neo4j Spatial built-in


Building Graph-Based Web Applications With Structr 1.0

In this 46-minutes screencast, Axel explains Structr and demonstrates how to build graph-based web applications with it.

Find more screencasts on Vimeo: http://vimeo.com/93482196