Alternatives to sunpeak

Godot MCP Pro wires Claude and Cursor into the Godot 4 editor over WebSocket, with 187 AI tools for building, testing, and inspecting games

Open-source, self-hosted backend that lets AI coding agents ship full-stack apps from chat

Open-source React framework for agent chat, generative UI, and shared state on any AG-UI backend.

Eino is an open-source Go LLM framework from ByteDance for building agents, graphs, and RAG pipelines in your existing Go backend.

OpenUI turns AI agent responses into streaming, interactive UI built from your own component library.

Open-source AI SDK and toolkit for building agentic apps and agents in TypeScript, Go, Python, and Dart.

Open-source Python package for building conversational AI apps with a production-ready chat UI, auth, and persistence.

A free, open-source desktop GUI for Claude Code with session checkpoints, agent building, and token cost tracking.

Open-source TypeScript AI SDK for streaming AI apps and agents across 100+ models with built-in fallbacks

Godot-MCP gives any MCP-capable AI agent 99 tools to build, edit, and playtest inside the Godot 4.x editor.

Open-source MCP server that exposes your IDA Pro database to Claude Code, Cursor and other LLM clients for AI-assisted reverse engineering

Project-aware AI assistant for Unity and Godot that reads your scripts, scenes, and hierarchy, then acts in the editor

Agentic QE is an open-source MCP server that adds 60 QE agents and 76 skills to Claude Code, Cursor, Copilot and eight other coding agents.

Open-source Rust library for building streaming, parallel LLM pipelines — data indexing, retrieval-augmented generation, and autonomous agents.

Open source Python and TypeScript SDKs for building production AI agent harnesses you control end to end.

Open Harness is an MIT-licensed TypeScript SDK for building Claude Code-style agents with stateless primitives and composable middleware.

Open-source React toolkit for generative UI that renders your own components from natural language

Mirascope is an open-source Python library that turns LLM calls, tools, and prompt versioning into plain decorated functions.

Open-source MCP server that gives coding agents live Chrome DevTools for debugging, traces, and browser automation.

Haystack is deepset's open-source Python framework for building inspectable RAG pipelines and production-grade AI agents.

Guidance is an open-source Python library for constrained LLM generation with regex, context-free grammars, and inline control flow.

Open-source, self-hosted AI quant trading platform that runs one Python Strategy API V2 contract from reproducible backtest to live

Open-source UE 5.8 plugin that hands AI agents direct control inside the Unreal Editor

OpenAI Cookbook delivers free, MIT-licensed Python notebooks and guides for building with the OpenAI API.

Open-source MCP server that lets a coding agent write Python CAD scripts, render previews, and export STEP, STL, GLB, or OBJ parts.

Open-source, self-hosted AI agent that plans tasks, runs tools, and grows its own long-term memory.

Open-source LLM from UC Berkeley that turns natural language into API calls and tool-using agent actions.

Rig is a Rust LLM framework for building type-safe AI agents across 20+ model providers with one unified API.

A free, open-source MCP server that lets your AI assistant run CDB and WinDbg crash-dump analysis for you.

Gortex is open-source code intelligence that answers AI coding agent queries in one knowledge-graph call — up to 50x fewer tokens.