Alternatives to Langchainzh

Marvin turns ordinary Python functions, classes, and Pydantic models into LLM-powered AI tasks with decorators like @ai_fn and

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

Zhipu GLM is a full-stack large-model platform with open-weights GLM-5.3 coding models, MaaS APIs and autonomous agents.

Open-source multi-agent framework that assigns PM, architect, engineer and QA roles to LLMs for structured software tasks

A free, MIT-licensed Python framework from OpenAI for building multi-agent workflows with handoffs, guardrails, and tracing.

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

Agent evaluation platform that simulates voice and chat agents, traces production, and scores hallucinations before customers hit them

Imbue builds inspectable coding-agent tools, from mngr's parallel agent runner to Latchkey's HTTP permissions

Microsoft Agent Framework is a developer SDK for building agentic AI with tools, workflows, and a GA Agent Harness runtime.

Inngest is durable execution for workflows and AI — wrap functions in steps and get retries, flow control, and traces with zero infra.

Microsoft's MIT-licensed Python and .NET framework for building conversational and event-driven multi-agent AI applications.

Mastra is an open-source TypeScript agent framework for durable agents, typed workflows, and built-in evals.

Pipedream is the integration layer that gives AI agents managed auth plus 10,000+ tools across 3,000+ APIs.

Tessl is an agent enablement platform for versioning, scanning and evaluating the AI agent skills your coding agents run.

SmolAgents is Hugging Face's open-source Python library for building code-writing AI agents in a few lines of code.

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

GitLab Duo adds policy-governed AI agents and flows across the DevSecOps lifecycle inside GitLab

Open-source, self-hosted agentic data assistant that connects to your databases, writes SQL and code, and runs analysis in sandboxes

Flowith is an infinite canvas for running parallel AI image, video, slide, and research agents at once.

Outlines enforces structured LLM output during decoding, so JSON, regex, and grammar-constrained generations come back valid on the first

Microsoft's open-source SDK for building AI agents and copilots with plugins, memory, and multi-agent orchestration.

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

BAML is a type-safe, Turing-complete language for agentic and LLM code that compiles typed Python and TypeScript SDKs.

Microsoft's open-source, code-first Python framework for building stateful, data-intensive conversational AI agents.

Pydantic AI is the typed Python agent SDK: declare a model string and a Pydantic output type, get validated structured results on every run.

Capafy AI is an agent skills marketplace where you buy, run, and publish ready-made AI agent skills priced per skill or per use.

Self-hosted cloud development environments with built-in governance for AI coding agents and LLM traffic.

Hermes Desktop is a free, open-source desktop GUI for the Hermes Agent — a self-hosted AI agent with a built-in learning loop that turns

Token-efficient AI agent with SquillaRouter model routing that cuts agent token cost by sending simple steps to cheap models.

Hermes Agent is an open-source, self-hosted AI agent with persistent memory that auto-builds reusable skills and reaches you on 20+ chat