#framework

An enterprise-class UI design language and React UI library

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

The full-stack Vue framework.

LlamaIndex is the document processing platform for AI

web development, streamlined

Asynchronous Python framework for event-driven services. A thin client for Kafka, RabbitMQ, NATS, Redis and MQTT with full access to native broker features, plus AsyncAPI docs, in-memory tests and observability out of the box.

The Web framework for perfectionists with deadlines.

Fast and low overhead web framework, for Node.js

⚡️ Express inspired web framework written in Go

Confidential Consortium Framework

🕸️ Web apps in pure Python 🐍

Spring Security

web development for the rest of us

Next generation frontend tooling. It's fast!

Nexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.

Angular UI Component Library based on Ant Design

Headless open-source eCommerce platform on top of PHP/Symfony/API Platform

Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust.

From community websites to web applications, this CSS framework will help you achieve a consistent look and feel.

An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.

The agent engineering platform.

Build resilient agents.

Meteor, the JavaScript App Platform

The Intuitive Vue UI Library powered by Reka UI & Tailwind CSS.

A lightweight, powerful framework for multi-agent workflows

We have made you a wrapper you can't refuse

Ruby on Rails

Siemens Element is a design system for products and digital experiences, grounded in the Siemens Design Language.

A framework to build Slack apps using JavaScript