Best Open Source Alternatives to LangChain

Ruflo is an open-source agent meta-harness for deploying AI swarms, coordinating workflows, and building conversational

Ultra-lightweight, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, and multi-agent wor

AgentScope 2.0: production-ready agent framework for building, testing, and deploying AI agents with observability and M

Mastra is a TypeScript framework for building AI agents, workflows, and MCP servers.

Open-source Python framework for building production-ready LLM apps with modular pipelines, RAG, and agents.

Go Micro is a Go agent harness and service framework for building AI agents with MCP and A2A support.

Open-source AI pipeline engine with C++ core, 100+ nodes, and IDE integration for building LLM workflows.

Enterprise-grade agentic workflow platform for building production-ready SuperAgents with MCP and RPA integration.

Low-code platform for building multi-agent LLM applications with one-click deployment.

Open-source framework to build and deploy intelligent agents for real work.

Open-source .NET multi-agent AI framework for building enterprise conversational AI with LLM integration.

Model-agnostic inference-time control suite for deep reasoning, long-horizon work, verification, and recovery.

Self-hosted AI backend daemon with shared memory, 136 API endpoints, and multi-interface access.