The strongest open-source alternatives to Amazon Nova Act for building AI agents — browser automation ranked by GitHub traction, each with a head-to-head.
Short answer: the closest alternative to Amazon Nova Act is Airtop (★ 0), the most-starred browser automation; Anchor Browser and Bright Data Browser API are also strong.
Amazon Nova Act (★ 0) is AWS service + SDK for building reliable browser agents that automate production UI workflows, with an IDE extension and AWS deploy path. If it is not the right fit, these 14 browser automation cover the same ground — Airtop is the most-starred option below. Or browse the best browser automation and Amazon Nova Act's own page.
Cloud browser automation controlled with natural language, handling OAuth/2FA/CAPTCHA for sales, marketing and research agents. Best for agent builders.
Secure cloud browsers for computer-use agents, with strong support for authenticated sessions, MFA/SSO and infinite concurrency. Best for agent builders.
Enterprise-grade unblocking browser (Scraping Browser) with automatic CAPTCHA/fingerprint handling over a huge residential proxy network. Best for agent builders.
The popular open-source Python agent that drives a browser from natural language, now with a hosted cloud API and stealth browsers. Best for agent builders.
Managed fleet of headless cloud browsers with stealth, proxies and live view — the 'AWS for browsers' most agent frameworks run on. Best for agent builders.
Battle-tested headless browser hosting (Chrome/Chromium) with Playwright/Puppeteer endpoints, BrowserQL and built-in CAPTCHA solving. Best for agent builders.
Cloud Chrome sessions for agents with stealth fingerprinting, proxy rotation and auto-CAPTCHA, plus the open-source HyperAgent framework. Best for agent builders.
Unikernel-based cloud browsers with sub-150ms cold starts and a full REST control plane (profiles, proxies, replays, computer-use). Best for agent builders.
An open-source headless browser written from scratch in Zig for AI/automation — ~11x faster and ~9x lighter than Chrome, CDP-compatible. Best for agent builders.
Browser platform for AI that turns any web workflow into a reliable, deployable API, with web agents and a perception layer for LLMs. Best for agent builders.
API-driven virtual desktops (Ubuntu/Windows/browser) for agents — full OS + browser control with an Act SDK for computer-use models. Best for agent builders.
LLM + computer-vision browser automation that reads pages visually instead of brittle CSS selectors; open-source with a hosted cloud. Best for agent builders.
Open-source SDK for browser agents (act/extract/observe/agent) that mixes natural-language and code; runs locally or on Browserbase. Best for agent builders.
Open-source headless browser API purpose-built for AI agents, with token-efficient content extraction and auth/session persistence. Best for agent builders.
Airtop (★ 0) is the most-starred browser automation alternative to Amazon Nova Act. Cloud browser automation controlled with natural language, handling OAuth/2FA/CAPTCHA for sales, marketing and research agents.
The strongest browser automation alternatives to Amazon Nova Act are Airtop, Anchor Browser, Bright Data Browser API, Browser Use and more — each with a head-to-head comparison.
Yes — the alternatives listed are open source and free to self-host; you bring your own model keys.
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