Best No-Code AI Agent Builders (2026)
Visual, drag-and-drop and prompt-to-app builders for making AI agents and apps without writing code. Below are the top 20 of 51 matching tools in the AgentScout directory, ranked.
Updated
How we ranked: Ranked by GitHub stars as recorded on each AgentScout listing (link checks 2026-10-21). Tools without a tracked public repo come after, in alphabetical order. Stars measure developer popularity, not quality or fit for your job, so read each listing before you choose. No paid placements.
Quick comparison Top 10 of 20 listed below. Pricing as the maker states it; blank means we don't have it.
| Tool | Pricing | Best for | Open source |
|---|---|---|---|
 Dify | Source-available + cloud | Write code | Source-available |
 Langflow | Open source + cloud | Write code | Yes |
 FastGPT | Source-available + cloud | Write code | Source-available |
 Sim Studio | Open source + cloud | Write code | Yes |
 Onlook | Open source | Build apps without code | Yes |
 Activepieces | Open source + cloud | Write code | Yes |
 NocoBase | Source-available + cloud | Write code | Source-available |
 MaxKB | Open source | Write code | Yes |
 Botpress | Open source + cloud | Write code | Yes |
 InsForge | Open source + cloud | Write code | Yes |
1. Dify
Open-source platform for building LLM apps and agents visually.
Pricing (as stated): Source-available + paid cloud · Mature
2. Langflow
Visual drag-and-drop builder for AI agents and workflows that you can run locally, deploy as an API or expose as an MCP server.
Pricing (as stated): Open source + cloud · Mature
3. FastGPT
AI agent building platform with knowledge-base RAG, data processing and a visual workflow editor for deploying question-answering and automation apps.
Pricing (as stated): Free cloud plan; Basic ¥99/mo, Advanced ¥599/mo; self-host under the FastGPT Open Source License · Mature
4. Sim Studio
Workspace for visually building, deploying and monitoring AI agents and workflows.
Pricing (as stated): Open source + cloud · Mature
5. Onlook
An open-source visual editor for React and Tailwind apps where you design on a canvas and an AI agent writes the code. Edit layouts like in Figma, then export clean code to your own repo.
Pricing (as stated): Free and open source (Apache-2.0); hosted cloud version in early access. · Mature
6. Activepieces
Open-source automation platform with AI agents and hundreds of pieces usable as MCP servers.
Pricing (as stated): Open source + cloud · Mature
7. NocoBase
Open-source no-code platform with AI employees for building business systems.
Pricing (as stated): Source-available + cloud · Mature
8. MaxKB
Open-source platform for building enterprise agents and knowledge-base assistants.
Pricing (as stated): Open source · Mature
9. Botpress
Platform for building and deploying LLM-powered chatbots and agents, with a visual studio, integrations hub, CLI and SDK.
Pricing (as stated): Free plan; Plus $150/mo and Team $750/mo billed annually; Enterprise custom · Mature
10. InsForge
Open-source backend platform that gives coding agents a database, auth and storage.
Pricing (as stated): Open source + cloud · Mature
11. Astron Agent
iFlytek's enterprise agentic workflow platform for building super agents.
Pricing (as stated): Open source · Mature
12. Unstract
LLM-powered platform for extracting structured data from documents via APIs and ETL pipelines.
Pricing (as stated): Open source + cloud · Mature
13. Fragments
E2B's open-source Next.js template for AI-generated apps, like Claude Artifacts or v0, with generated code run in secure E2B sandboxes.
Pricing (as stated): Free and open source (Apache-2.0); needs an E2B API key and a model provider key · Mature
14. Baserow
No-code platform for databases, apps, automations and AI agents, an Airtable alternative available as cloud or self-hosted.
Pricing (as stated): Free plan; Premium $10/user/mo yearly ($12 monthly), Advanced $18 ($22), Enterprise on request; self-host available (open core, MIT) · Mature
15. Nexent
Zero-code platform that generates AI agents from plain-language descriptions.
Pricing (as stated): Open source · Mature
16. PySpur
Visual playground for building and iterating on agent workflows.
Pricing (as stated): Open source · No recent updates (last commit Jul 2025)
17. VibeSDK
Cloudflare's open-source kit for running your own vibe-coding platform.
Pricing (as stated): Open source · Mature
18. Yuanjing Wanwu
China Unicom's enterprise, multi-tenant platform for building agents, workflows and RAG apps with model management.
Pricing (as stated): Open source · Active
19. ByteChef
Open-source platform for AI agents and workflow automation with hundreds of connectors that you can self-host or embed in a SaaS product.
Pricing (as stated): Open source + cloud · Active
20. BuildShip
Visual AI workflow builder for automating backends, building tools for AI agents and spinning up APIs.
Pricing (as stated): Starter $19/mo; Pro $59/mo; Business $449/mo; 7-day trial · Active
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Related: Building apps without code · Automating workflows
Related searches: Free no-code AI agent builders · Open-source AI workflow automation tools · Free AI workflow automation tools
More best-of lists: All best lists · Best AI Coding Agents · Best AI Agent Frameworks · Best AI Browser Agents · Best Open-Source MCP Servers · Most-Starred Open-Source AI Agent Projects · Best Self-Hosted AI Agents · Best Free AI Agents (Free Plans) · Best AI Voice Agent Platforms · Best AI Agent Observability & Eval Tools · Best Personal AI Agents · Best AI Agents for Business Teams · Best Crypto AI Agents
Facts come from our directory listings; pricing is as each maker states it and GitHub stars are as recorded on each listing. Check official sites before you choose.