framework projects

7 European open-source projects in the framework category.

Capsule

Go Apache-2.0

Capsule implements a multi-tenant and policy-based environment in your Kubernetes cluster. It is designed as a micro-services-based ecosystem with the minimalist approach, leveraging only on upstream Kubernetes.

kubernetes operator multi-tenancy

Drupal

PHP GPL-2.0

Drupal is a free, open-source content management framework written in PHP, used to build websites, portals, and digital experiences at any scale. Founded in Belgium by Dries Buytaert, it powers millions of sites worldwide including government, enterprise, and educational platforms, with a vast ecosystem of modules and themes.

Grinning Cat

Python Source-available

Build production-ready AI agents in minutes, not months. Grinning Cat is a multi-tenant microservice for deploying scalable chatbots with advanced RAG capabilities. Manage multiple chatbots with isolated settings, plugins, and LLMs. Process any document type - PDFs, images, audio, and more. Cloud-native and dockerized with single-command deployment.

Neuron AI

PHP MIT-0

Neuron is the PHP Agentic Framework to build production-ready agentic applications. Connect components (LLMs, vector DBs, memory) to agents that can interact with your data. With its modular architecture it's best suited for building RAG, multi-agent workflows, or business process automations. We provide tools for the entire agentic application development lifecycle, from LLM interfaces, to data loading, to multi-agent orchestration, to monitoring and debugging.

Stackable Data Platform

Rust Apache-2.0

Stackable is an open-source, modular data platform for Kubernetes that enables modern data architectures including warehouses, lakehouses, and streaming pipelines. Built in Germany with a focus on data sovereignty, it provides operators for Apache Kafka, Spark, NiFi, Superset, and more, making enterprise data stacks fully self-hostable.

Symfony

PHP MIT

Symfony is a high-performance PHP framework and set of reusable components for building web applications and APIs. Created in France by Fabien Potencier in 2004, it powers major platforms including Drupal, eZ Platform, and Magento. MIT-licensed with a disciplined release cycle, semantic versioning, and long-term support versions.