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Flowise

Drag-and-drop visual builder for LangChain/LlamaIndex-based LLM apps, chatflows, and multi-agent flows.

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About

Flowise is a Node.js + React visual canvas for composing LLM chains, agents, RAG pipelines, and chatbots, with API/SDK/embed publishing and Flowise Cloud hosting.

Critical: the GitHub repository was archived (~Aug 2026) — development has stopped, so no future security fixes should be expected. Fine for keeping existing self-hosted flows running; not a safe foundation for new production builds.

What it can do

  • Visual drag-and-drop canvas for chains, agents, and multi-agent Agentflows
  • Integrations for Pinecone, Qdrant, Weaviate, Chroma, pgvector, and 100+ LLMs/embeddings/vector DBs
  • Chatflows with tool calling, memory, and RAG over multiple data sources
  • Human-in-the-loop review steps and execution traces (Prometheus/OpenTelemetry)
  • Publish via API, TypeScript/Python SDKs, or embedded chat widget
  • Self-host on AWS/Azure/GCP/Docker/Railway/Render or use Flowise Cloud

Setup

  1. Install Node.js ≥ 20.
  2. npm install -g flowise
  3. npx flowise start
  4. Open http://localhost:3000 — or deploy via Docker Compose.
  5. Add LLM provider credentials and drag nodes onto the canvas.

Prerequisites

Node.js ≥ 20; LLM API keys; ~1 GiB RAM (lightest of the visual builders).

Use cases

chatdatasearchautomationcode

Works with

Generic API

Trust score — 6/10

/10 trustMetrics-checked

Historically huge adoption (55.5k stars) with good docs and the lightest self-hosting footprint — an independent Apr 2026 review called it the fastest path from idea to working LangChain agent. But the repository is archived as of ~Aug 2026: development has stopped and no security patches will land. A competitor-authored comparison alleges serious 2026 CVEs (third-party-claimed, not independently verified).

★ 55,497 GitHub stars

How the trust score is built

Full methodology →
Adoption · stars/downloads, log-scaled vs peers
8.8/10
Maintenance · recency, releases, issue load
2.0/10
Openness · license + docs
10.0/10
Manual review · sanity read + red-flag check
3.0/10
  • · 55,497 GitHub stars (log-scaled vs catalog peers)
  • · repository is archived — no future fixes expected
  • · manual review: repo archived ~Aug 2026; alleged CVE-2026-22771 unconfirmed

Sources

Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.