Open source alternatives to Flowise

Best for: Developers building experimental or production LLM workflows who want visual design with code flexibility

Best for: Teams building multi-agent systems who need open-source orchestration and want to avoid vendor lock-in

Best for: Developers building privacy-sensitive LLM applications who can run compute locally and want to avoid vendor lock-in.

Best for: Python developers building multi-agent systems who want structured orchestration without building from scratch

Best for: Developers building AI chatbots in Next.js who want a working reference implementation to fork and customize

Best for: Teams building internal AI data assistants who can maintain Python codebases and want to avoid vendor lock-in

Best for: Teams building internal document search and analysis tools who want open-source control and can manage their own infrastructure.

Best for: Teams building production LLM agents who want open-source control and TypeScript integration

Best for: Python developers building semantic search and RAG systems who want a unified framework

Best for: Go developers who want to add LLM orchestration to their backend applications

Best for: Python developers building production RAG systems with agentic retrieval

Best for: Developers who want full control over a custom chatbot deployment using open-source orchestration.

Best for: Developers and teams who want a visual-first approach to prototyping and building AI agent pipelines in TypeScript.

Best for: Python developers building custom agent-based applications with memory and plugin extensibility

Best for: Teams needing to prototype and deploy LLM agents without heavy engineering resources

Best for: Developers and teams who want to quickly prototype multi-agent LLM applications without heavy coding.

Best for: Developers who need a simple, testable framework for building and evaluating LLM agents in Python.

Best for: Developers seeking an open-source, easy-to-use chatbot orchestration tool

Best for: Developers who want an open-source, TypeScript-native framework for building custom agent orchestration pipelines.

Best for: Developers who want a lightweight, educational tool for simple LLM chaining experiments.

Best for: JavaScript developers who want to build AI applications using a component-based, declarative approach

Best for: TypeScript developers building structured AI workflows and agents

Best for: Developers who want a quick, open-source starting point to experiment with chat over their own documents using OpenAI.

Best for: Python developers who want a simple, transparent way to orchestrate LLM calls without heavy abstractions.

Best for: Developers who want a lightweight orchestration backend for LLM apps

Best for: Teams building event-driven LLM applications on Kubernetes with Kafka

Best for: Python developers who want to declaratively chain LLM calls without writing orchestration code

Best for: Developers and technical users who need fast, AI-assisted diagram generation for workflows and processes.