Best free Amazon Nova Act SDK alternatives

Looking for a free alternative to Amazon Nova Act SDK? Here are 9 browser & computer-use agents worth trying — 9 with a free tier. Amazon Nova Act SDK itself is free.

ToolAmazon Nova Act SDK (you searched)Playwright MCPMagenticLiteMicrosoft OmniParser
Pricingfreefreefreefree
Best forPython SDK for building reliable browser-automation agents on Amazon NovaOfficial Microsoft MCP server exposing Playwright browser control to any MCP clientOpen-source agent working across the browser and local filesParses UI screenshots into structured interactable elements
VisitOpen ↗Open ↗Open ↗Open ↗

Amazon Nova Act SDK alternatives — straight answers

What is the best free alternative to Amazon Nova Act SDK?

Playwright MCP is the closest free alternative to Amazon Nova Act SDK: same Browser & Computer-Use Agents sub-category, and it is free. Official Microsoft MCP server exposing Playwright browser control to any MCP client

Are there free Amazon Nova Act SDK alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: Playwright MCP, MagenticLite, Microsoft OmniParser, UI-TARS Desktop (ByteDance), Alibaba Page Agent. None of them are paid-only.

Is Amazon Nova Act SDK free?

Amazon Nova Act SDK is free. There is no paid plan attached to it in the catalog.

How were these Amazon Nova Act SDK alternatives chosen?

They are the other tools in Browser & Computer-Use Agents, then the rest of AI Agents & Automation, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

All Amazon Nova Act SDK alternatives

Browse Browser & Computer-Use Agents →

Playwright MCP

Browser & Computer-Use Agents
free

✦ WhyA Amazon Nova Act SDK alternative — Official Microsoft MCP server exposing Playwright browser control to any MCP client.

  • Official Microsoft MCP server exposing Playwright browser control to any MCP client
  • Uses accessibility snapshots instead of screenshots/vision, faster and more deterministic
  • 36k+ GitHub stars, Apache-2.0 licensed

MagenticLite

Browser & Computer-Use Agents
freeNew

✦ WhyA Amazon Nova Act SDK alternative — Open-source agent working across the browser and local files.

  • Open-source agent working across the browser and local files
  • Fully open stack: MagenticBrain and Fara 1.5 models with open weights on Hugging Face
  • Human-in-the-loop approvals before risky actions
  • Free to run locally

Microsoft OmniParser

Browser & Computer-Use Agents
freeNew

✦ WhyA Amazon Nova Act SDK alternative — Parses UI screenshots into structured interactable elements.

  • Parses UI screenshots into structured interactable elements
  • Lets vision LLMs drive GUIs without DOM access
  • Open-source with weights on Hugging Face
  • Used by computer-use agent stacks

UI-TARS Desktop (ByteDance)

Browser & Computer-Use Agents
freeNew

✦ WhyA Amazon Nova Act SDK alternative — Open-source multimodal agent stack that controls desktop and browser from screenshots.

  • Open-source multimodal agent stack that controls desktop and browser from screenshots
  • Agent TARS CLI and desktop app with MCP support
  • Runs with UI-TARS models or other vision LLMs
  • Local operator mode keeps data on device

Alibaba Page Agent

Browser & Computer-Use Agents
freeNew

✦ WhyA Amazon Nova Act SDK alternative — JavaScript in-page GUI agent that controls web interfaces via natural language.

  • JavaScript in-page GUI agent that controls web interfaces via natural language
  • Embeds into your own web app with no browser extension
  • Uses text DOM instead of screenshots
  • Bring your own LLM API key

Stagehand

Browser & Computer-Use Agents
freeNew

✦ WhyA Amazon Nova Act SDK alternative — Open-source SDK adding act, extract and observe AI primitives on top of Playwright.

  • Open-source SDK adding act, extract and observe AI primitives on top of Playwright
  • Runs locally with your own model key
  • Optional Browserbase cloud browsers (separate free tier)

Nanobrowser

Browser & Computer-Use Agents
freeNew

✦ WhyA Amazon Nova Act SDK alternative — Chrome extension that runs a multi-agent team to automate browsing tasks.

  • Chrome extension that runs a multi-agent team to automate browsing tasks
  • Uses your own API keys or local models, so nothing extra is charged
  • Everything runs locally in the browser and is open source
  • Free alternative to paid browser operator agents

BrowserOS

Browser & Computer-Use Agents
freeNew

✦ WhyA Amazon Nova Act SDK alternative — Open-source Chromium browser with a built-in AI agent that automates web tasks.

  • Open-source Chromium browser with a built-in AI agent that automates web tasks
  • Runs with local models via Ollama or your own keys, keeping data on your machine
  • Positioned as a free alternative to Comet and ChatGPT Atlas
  • Supports MCP servers

Open-AutoGLM

Browser & Computer-Use Agents
freeNew

✦ WhyA Amazon Nova Act SDK alternative — Phone agent that reads the screen and taps through apps to finish natural-language tasks.

  • Phone agent that reads the screen and taps through apps to finish natural-language tasks
  • Supports Android, HarmonyOS and iOS via ADB, HDC or WebDriverAgent
  • Asks for confirmation on sensitive actions and allows human takeover
  • Apache 2.0; uses Zhipu/ModelScope API or a self-hosted model

Amazon Nova Act SDK head-to-head