Alternatives to Korso

Open-source MCP server letting coding agents design, render, and export 3D CAD parts via code

Open-source self-hosted backend for AI coding agents to ship full-stack apps from chat

Open-source, MCP-native QA platform with 60 AI agents and 73 skills for coding-agent teams.

Zhipu GLM delivers open-source LLM models, MaaS APIs, and autonomous agents for Chinese enterprises and developers.

Mastra is an open-source TypeScript agent framework for building durable AI agents and workflows that run for days.

Microsoft's open-source SDK for building production-grade AI agents with plugins, memory, and orchestration.

Open-source Unreal Engine 5.8 MCP expansion that gives AI agents hands-on editor control

Open-source LLM that turns natural language into API calls for tool-using agents

Run any AI coding agent from anywhere — self-hosted, multi-provider, open source.

Godot-MCP: 94 free, open-source MCP tools that let AI agents build and edit your Godot 4.x game

Self-hosted open-source SuperAgent for deep research, coding, and creation.

Free, open-source local code-graph MCP server that gives AI agents structural awareness before they edit.

Open-source code search for AI agents that cuts token use by ~98% on CPU.

Open-source multi-agent framework for role-based software engineering

OpenAI Agents SDK: Lightweight Python framework for building multi-agent workflows with handoffs, sandboxing, and voice.

Chrome DevTools MCP gives AI coding agents live Chrome control for debugging, automation, and performance traces.

Imbue is an open AI lab building coding agent tools that run in parallel and answer to you, not a vendor.

Microsoft's open-source framework for building multi-agent AI workflows.

Open-source agentic AI data assistant for SQL, code, and reports

Microsoft's open-source, code-first agent framework for stateful, data-intensive conversational tasks.

Open-source desktop AI agent with autonomous learning loop and deep memory

Open-source AI agent with smart routing that cuts token costs 60-80%.

Open-source, self-hosted AI agent that plans tasks, runs tools, and evolves memory across 10+ channels.

Open-source AI agent that learns from you and automates tasks across 20+ chat platforms

Compress AI agent context by up to 90% with a local, open-source MCP server.

Self-hosted code search and AI Q&A for multi-repo teams and coding agents.

Open-source code intelligence that replaces ten agent file reads with one graph query, cutting tokens up to 50×.

Open-source MCP testing & app framework for building ChatGPT Apps and Claude Connectors.

Open Harness is an open-source TypeScript SDK for building Claude Code-style agent harnesses with stateless primitives and composable middleware.

FetchSandbox is a deterministic eval engine that proves AI coding agents actually fixed your API integration.