Top GENERATIVE GitHub Repositories & Tools (2026)

Learn it. Build it. Ship it for others.

Free SEO MCP server + open-source SEO and GEO skills for Claude: keyword research, rank tracking, audits, backlinks, AI visibility on your real GSC/GA4/ads data. claude mcp add ryze --transport http https://connector.get-ryze.ai/mcp

Art and animation, written as code. Illustrations, loops, interactive web art, stickers and scored films in dozens of styles, identical on every render.

21 Lessons, Get Started Building with Generative AI

Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.

The agent engineering platform.

Build resilient agents.

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

Open-source GEO content engineering and multi-site distribution platform with AI quality inspection, illustrated admin help, hosted sites, browser-assisted publishing, and signed updates.

A web component for visual art and creative coding

The Open Standard for Generative UI

The Ruby-native AI framework. Chats, agents, tools, images, audio, and video through one consistent API, in plain Ruby or Rails.

Train and serve LLMs at extreme speed and massive throughput.

Your Friendly Open-Source Gen-AI Platform

Framework to build resilient language agents as graphs.

Agent framework for the JVM. Pronounced Em-BAY-bel /ɛmˈbeɪbəl/

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

Graph-Native Infrastructure for Context and Accountable AI Systems

Streamlined interface for generating images with AI in Krita. Inpaint and outpaint with optional text prompt, no tweaking required.