Alternatives to Kratos

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

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

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

Microsoft's framework for building production-grade agentic AI on Azure, with Python, C#, and Go SDKs and a GA Agent Harness runtime.

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

The integration layer for AI agents: managed auth + 10,000+ tools across 3,000+ APIs.

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

Open-source spec framework that keeps AI coding agents aligned with your requirements as work evolves.

Go-native LLM framework by ByteDance for building production-grade AI applications.

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

AI coding agent that completes code, reviews PRs, and runs agents from issue to merge inside GitHub

Context7 feeds your AI coding assistant up-to-date, version-pinned library docs via MCP so it stops hallucinating APIs

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

Spec-driven AI coding platform that turns prompts into executable specs and ships verified code with parallel agents.

Durable execution for background jobs, workflows, and AI agents — written in your own code

Orchestrate fleets of local and cloud coding agents from one AI-native IDE.

Hugging Face's barebones Python library for AI agents that act by writing code.

Build, run, and orchestrate fleets of AI coding agents across your SDLC with Warp Factories, Warp Terminal, and the Warp Agent CLI

Windsurf Editor is an agent-centric IDE for orchestrating multiple coding agents on one Sessions Board.

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

Zed is a Rust-built code editor with parallel AI agents, real-time multiplayer collaboration, and native-speed performance.

Pydantic AI is the Python AI SDK for typed agents, realtime voice, image generation, and embeddings — every model a string swap away.

Open-source ruleset that makes AI coding agents write minimal, pragmatic code.

Open-source desktop workspace to run and route multiple AI coding agents locally.

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

Manage Cursor coding agents and review PRs from your iPhone with voice, screenshots, and demos.

Manage fleets of local and cloud AI agents from one IDE

AI model router and code context engine that cuts coding agent token spend by grounding requests in your codebase.

Open-weight agentic coding models — Laguna XS 2.1 and Laguna S 2.1 — built for secure on-prem and air-gapped enterprise AI.

Multi-agent AI coding assistant for VS Code, launching soon