Open Source Alternatives
Open source alternatives to Langflow
Open source alternatives to Langflow, ranked by GitHub stars and freshness.
43 open-source alternatives in the index, ranked by GitHub stars and freshness.
Dify
Community
Production-ready platform for agentic workflow development.
Best for: Teams building production LLM agents who want open-source control and visual workflow design.
Lobe Chat
Community
🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.
Best for: Teams building multi-agent systems who need open-source orchestration and want to avoid vendor lock-in
Anything LLM
Community
The all-in-one AI productivity accelerator. On device and privacy first with no annoying setup or configuration.
Best for: Developers building privacy-sensitive LLM applications who can run compute locally and want to avoid vendor lock-in.
Flowise
Community
Build AI Agents, Visually
Best for: Teams building AI agents who want visual composition without writing orchestration code
Phidata
Community
Build, run, and manage agent platforms.
Best for: Python developers building multi-agent systems who want structured orchestration without building from scratch
AgentGPT
Community
🤖 Assemble, configure, and deploy autonomous AI Agents in your browser.
Best for: Developers prototyping autonomous agent workflows and learning agent orchestration patterns
DocsGPT
Community
Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.
Best for: Teams building internal document search and analysis tools who want open-source control and can manage their own infrastructure.
Botpress
Community
The open-source hub to build & deploy GPT/LLM Agents ⚡️
Best for: Teams building production LLM agents who want open-source control and TypeScript integration
Eino
Community
The ultimate LLM/AI application development framework in Go.
Best for: Go developers who want to add LLM orchestration to their backend applications
R2R
Community
SoTA production-ready AI retrieval system. Agentic Retrieval-Augmented Generation (RAG) with a RESTful API.
Best for: Python developers building production RAG systems with agentic retrieval
OpenChat
Community
LLMs custom-chatbots console ⚡
Best for: Developers who want full control over a custom chatbot deployment using open-source orchestration.
Rivet
Community
The open-source visual AI programming environment and TypeScript library
Best for: Developers and teams who want a visual-first approach to prototyping and building AI agent pipelines in TypeScript.
Pezzo 🕹️
Community
🕹️ Open-source, developer-first LLMOps platform designed to streamline prompt design, version management, instant delivery, collaboration, troubleshooting, observability and more.
Best for: Teams seeking an open-source, self-hosted LLMOps tool with prompt management and observability
Cheshire Cat
Community
AI agent microservice
Best for: Python developers building custom agent-based applications with memory and plugin extensibility
Chaindesk
Community
The no-code platform for building custom LLM Agents
Best for: Teams needing to prototype and deploy LLM agents without heavy engineering resources
RasaGPT
Community
💬 RasaGPT is the first headless LLM chatbot platform built on top of Rasa and Langchain. Built w/ Rasa, FastAPI, Langchain, LlamaIndex, SQLModel, pgvector, ngrok, telegram
Best for: Developers building custom LLM chatbots with Rasa and Langchain
LangServe
Community
LangServe 🦜️🏓
Best for: Developers building and deploying LangChain applications who want a quick path to an API
LLMStack
Community
No-code multi-agent framework to build LLM Agents, workflows and applications with your data
Best for: Developers and teams who want to quickly prototype multi-agent LLM applications without heavy coding.
Dialoqbase
Community
Create chatbots with ease
Best for: Developers seeking an open-source, easy-to-use chatbot orchestration tool
Dust
Community
Custom AI agent platform to speed up your work.
Best for: Developers who want an open-source, TypeScript-native framework for building custom agent orchestration pipelines.
AI Utils
Community
The TypeScript library for building AI applications.
Best for: TypeScript developers building AI-powered applications
Ax
Community
The TypeScript framework for AI development
Best for: TypeScript developers building structured AI workflows and agents
Flock
Community
A multi agent desktop application built with Rust and Tauri.
Best for: Developers who want a local, lightweight multi-agent orchestrator for experimentation and prototyping
examor
Community
For students, scholars, interviewees and lifelong learners. Let LLMs assist you in learning 🎓
Best for: Students and self-learners who want a structured, code-oriented LLM assistant for exam prep and interview practice
lanarky
Community
The web framework for building LLM microservices [deprecated]
Best for: Developers exploring legacy or experimental LLM observability patterns who accept an abandoned codebase
LLMFlow
Community
LLMFlows - Simple, Explicit and Transparent LLM Apps
Best for: Python developers who want a simple, transparent way to orchestrate LLM calls without heavy abstractions.
heymrun/heym
Various
Self-hosted AI workflow automation platform with visual canvas, agents, RAG, HITL, MCP, and observability in one runtime.
Best for: Developers who need a self-hosted, all-in-one platform for building and monitoring complex AI workflows.
Embedbase
Community
A dead-simple API to build LLM-powered apps
Best for: Developers who want a lightweight orchestration backend for LLM apps
Funcchain
Community
⛓️ build cognitive systems, pythonic
Best for: Developers prototyping cognitive systems in Python who want a simple orchestration layer
Instrukt
Community
Integrated AI environment in the terminal. Build, test and instruct agents.
Best for: Developers who want a terminal-native environment for prototyping and testing AI agents
AgentFlow
Community
Complex LLM Workflows from Simple JSON.
Best for: Python developers who want to declaratively chain LLM calls without writing orchestration code
Flappy
Community
Production-Ready LLM Agent SDK for Every Developer
Best for: Rust developers building production LLM agent systems
FlowGPT
Community
Generate diagram with AI
Best for: Developers and technical users who need fast, AI-assisted diagram generation for workflows and processes.
PromptMage
Community
simplifies the process of creating and managing LLM workflows.
Best for: Developers needing lightweight observability for LLM workflows
escapeboy/agent-fleet-o
Various
Open-source AI agent orchestration platform — self-hosted mission control for autonomous multi-agent systems. Visual DAG workflows, 450+ MCP tools, human-in-the-loop approvals. Wor
Best for: Developers who need a self-hosted multi-agent orchestration platform with visual workflow design and human oversight
Hypersigil
Community
Prompt management gateway with a UI for AI-powered applications. Enables non-technical users to test, refine, and deploy prompts seamlessly across multiple AI providers.
Best for: Teams that need a simple, self-hosted prompt management UI for non-technical stakeholders.
Hyv
Community
Chaining AI & API agents to streamline software development and achieve goals collaboratively.
Best for: Developers exploring multi-agent orchestration patterns in TypeScript for experimental or proof-of-concept projects
Flan5 LLM
Community
Google Colab
Best for: Developers and researchers who want to quickly test or fine-tune Flan5 without local infrastructure.
LangGraph
LangChain
Graph-based orchestration for long-running, multi-step agents. The control plane LangChain always needed.
Best for: Engineering teams building production agent systems, not weekend prototypes
Transformers Agents
Community
Provides a natural language API on top of transformers
Best for: Developers building natural language interfaces over existing transformer models
TreeScale
Community
TreeScale Platform is an All in One solution to use LLM Prompts to build powerful APIs and integrate them with your favorite tools and services.
Best for: Developers who want to quickly build and integrate LLM-driven endpoints without deep infrastructure work.
Wordware
Community
Building the future of work, with Sauna
Best for: Developers building AI-native applications and tools
Scale Spellbook
Various
Accelerate and scale Generative AI across your enterprise with the platform to transform your data into customized enterprise-ready Generative AI applications.
Best for: Enterprise teams needing to build secure, custom generative AI applications on their own data at scale.