We've just released DATAMIMIC Community Edition under the MIT license. It's a Python-based platform for generating realistic test data using a model-driven approach, originally developed for enterprise clients who needed to handle complex data structures while maintaining GDPR compliance. Core features:

Model-driven architecture using XML configs Built-in data anonymization and pseudonymization Support for JSON/XML/CSV/RDBMS/MongoDB High-performance Python core (3.10+) Extensible through custom generators