Show HN: Fortress – open-source Chromium that keeps browser agents unblocked

🧠 6-Model Panel

⚔️ Devil's Advocate

—

📊 Market Strategist

LTV/CAC 1.2×

GitHub-driven inbound (README, examples, bindings for Playwright/Puppeteer) + HN/Product Hunt reposts

🌊 Trend Hunter

🚀 Launch Now

El boom de agentes IA en 2024-2025 genera demanda real y urgente de soluciones …

🏗️ Solution Arch

Feasibility 5/10

MVP 25 days solo

🔍 Deep Research

Complete

Perplexity Sonar

🎯 Synthesizer

PENDING

Score: None/100

⚔️ Devil's Advocate

📊 Market & Competition

$0.85B

total market

$120M

reachable

$6M

your slice

Market Score

5/10

out of 10

Competitors

Company	Price	Revenue (est.)	Strength	Weakness
undetected-chromedriver	Free (OSS)	$0 (open-source)	Massively adopted, simple drop-in for Selenium users to evade basic detections.	Fragile against modern enterprise bot defenses; no SLAs, slow to patch breaking changes.
puppeteer-extra-plugin-stealth	Free (OSS)	$0 (open-source)	Lightweight, works with Puppeteer ecosystem and widely documented recipes.	Heuristic-based masks are increasingly fingerprintable; maintenance burden shifts to user teams.
GoLogin (anti-detect browser)	$24–$149/mo	$15–$25M ARR (est.)	Strong multi-profile fingerprinting and team workflows for growth/affiliate use cases.	Frequently flagged by high-sensitivity targets; desktop-first UX, weak CI/CD developer ergonomics.
Browserless (hosted headless Chrome/Playwright)	$40–$500/mo	$3–$6M ARR (est.)	Reliable hosted Chrome/Playwright with queueing, WebSocket control, good developer DX.	Does not guarantee bypass of advanced bot systems; stealth relies on user-maintained hacks.
Zyte Web Unblocker / Smart Proxy Manager	$99+/mo or $12–$25/GB	$50–$80M ARR (Zyte overall, est.)	High unblocking success via IP rotation + ML + dynamic rendering at scale.	Usage-based pricing gets expensive; limited control over browser-level fingerprints.

Ideal Customer Profile ()

Who

2–20 person engineering teams in NA/EU building AI browser agents, scraping/data enrichment, or internal RPA; stack: Python/Node, Playwright/Puppeteer/Selenium, use rotating proxies; budget on card, monthly.

Pain

Bot defenses (Cloudflare/HUMAN/DataDome/PerimeterX) trigger CAPTCHAs/blocks that break automations; teams spend hours weekly patching stealth scripts and babysitting headless runs.

Budget

$30–$100 per developer/month for dev tools; $1k–$5k/month on proxies/unblocking; willing to pay $49–$199/mo for hardened, auto-updated Chromium that reduces breakage.

Unit Economics

$31

/mo

12mo

$210

12-month value

paid

$180

cost per customer

1.2×

target ≥ 3

Gross Margin

88%

gross

Monthly Churn

16% ↑

target ≤5%

💰 Pricing Options

Community

$0

OSS source, manual builds, limited stealth presets, community support, delayed signature updates.

Necessary freemium wedge to win developer mindshare and drive inbound; creates funnel for Pro/Team.

Pro

$29

Prebuilt hardened Chromium binaries, weekly stealth signature updates, Playwright/Puppeteer bindings, CI examples, email support.

~1.2% conversion

Priced to be a no-brainer for solo devs/SMBs versus time spent babysitting blocks.

Team

$149

5 seats, priority patches, private update channel, fingerprint packs, SSO (basic), policy controls, SLA support.

~0.4% conversion

Targets scraping/RPA teams with immediate ROI if breakage and maintenance drop.

Best First Channel

GitHub-driven inbound (README, examples, bindings for Playwright/Puppeteer) + HN/Product Hunt reposts

📈 Conversion: 0.7% 💰 Experiment cost: $0 ⏱ Days to first sale: 7 days

Open-source Chromium fork is best validated via developer traction; GitHub stars/issues and simple npm/pip adapters convert a small but steady slice of users to paid auto-update/enterprise builds.

📉 AI Market Dynamics (12 months)

New Competitors

+25

Price Pressure

-35%

CAC Inflation

+40%

📊 Base vs AI-Adjusted Scenario

New AI agent tool entrants release free stealth forks, compressing willingness to pay (~-36% ARPU) while paid acquisition bids rise (+40% CAC). More frequent patch cycles and build infra reduce gross margin by 8 pts.

Metric	Base	AI-Adjusted
ARPU M12	$33	$21
CAC M12	$170	$238
Gross Margin	90%	82%
LTV/CAC	1.5×	0.9×

🌊 Trends & Timing

Tailwinds

🟢

AI agent proliferation

El auge de agentes autónomos y herramientas de scraping automatizadas crea una demanda masiva de navegadores que eviten detección y bloqueos persistentes.

🟢

Regulaciones de privacidad y anti-bot

Leyes como GDPR ampliadas y medidas anti-bot de sitios comerciales generan necesidad de soluciones open-source que permitan acceso ético y automatizado.

🟢

Crecimiento de scraping ético y datos para IA

La demanda de datos de entrenamiento de IA y monitoreo de precios impulsa herramientas open-source especializadas que eviten bloqueos sin violar términos.

Headwinds

🔴

Mejoras en sistemas de detección de bots (Cloudflare, PerimeterX, DataDome)

Las actualizaciones constantes de fingerprinting y comportamientos hacen que cualquier fork de Chromium se vuelva obsoleto en semanas, aumentando costos de mantenimiento para el proyecto open-source.

🔴

Políticas de Google sobre forks de Chromium y Manifest V3

Restricciones y cambios en el ecosistema Chromium (como el fin de Manifest V2) limitan la viabilidad a largo plazo y aumentan la complejidad técnica del proyecto.

🔴

Alternativas comerciales maduras (Puppeteer Stealth, Bright Data, Apify, ZenRows)

Soluciones SaaS ya ofrecen APIs gestionadas con rotación de proxies y actualizaciones automáticas, reduciendo el atractivo de mantener un navegador open-source propio.

🚀

Launch Now

El boom de agentes IA en 2024-2025 genera demanda real y urgente de soluciones anti-bloqueo. El proyecto open-source aprovecha el momentum temprano antes de que soluciones propietarias dominen completamente el espacio.

📡 Social Pulse

Viral Potential

8/10

organic word-of-mouth

Adoption Curve

Early Growth

Gartner hype cycle

Narrative Hooks

"Los agentes de IA pierden horas intentando iniciar sesión mientras Cloudflare los bloquea. Fortress es el Chromium open-source que los mantiene libres y productivos."

👥 Desarrolladores de agentes IA y automatización 📢 Hacker News y Twitter/X

"Ya no más rotación constante de proxies ni fingerprints personalizados. Un solo fork mantenido por la comunidad que simplemente funciona."

👥 Freelancers y agencias de web scraping 📢 Reddit (r/webscraping, r/selenium)

"Mientras las empresas pagan miles por Bright Data, los builders open-source ahora tienen Fortress: el navegador anti-detección gratuito y auditable."

👥 Indie hackers y startups de datos 📢 Product Hunt y Twitter/X

🔍 Deep Research

=== COMPETITIVE INTELLIGENCE === RESEARCH UNAVAILABLE: Client error '401 Unauthorized' for url 'https://api.perplexity.ai/chat/completions' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/401 === MARKET & RISK RESEARCH === RESEARCH UNAVAILABLE: Client error '401 Unauthorized' for url 'https://api.perplexity.ai/chat/completions' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/401 === DEMAND SIGNALS === RESEARCH UNAVAILABLE: Client error '401 Unauthorized' for url 'https://api.perplexity.ai/chat/completions' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/401

⚙️ Technical Feasibility

Feasibility Score

50%

Impossible Hard Easy

Days to

25

solo developer

Scalability

Hard

Running headless browsers as a service is extremely resource-intensive. Each session consumes 200-500MB of RAM. Scaling requires aggressive node management, zombie process cleanup, concurrency limiters, and handling memory leaks in Chromium.

Recommended Stack

🚫 NOT in MVP

Bring Your Own Proxies (BYOP)

💭 Appeals to enterprise/power users who want to use their own proxy subscriptions.

→ Creates massive debugging headaches (is it your browser failing or their proxy?). Control the proxies yourself in V1 to ensure quality.

Session video recording / UI debugging

💭 Highly desired by AI agent developers to see exactly where their agent failed or got blocked.

→ Encoding and storing video drastically increases server compute and storage costs. Provide raw HTML/screenshots only for MVP.

Visual rule builder or No-Code scraper

💭 Widens the market to non-developers.

→ Massive UI/UX undertaking. You are a solo dev; sell purely to other developers via a simple API first.

Key Integrations

BrightData or Smartproxy

High-quality residential proxies are strictly required alongside the browser to bypass advanced anti-bot systems.

$50/mo

High

Stripe

Usage-based billing per API request or per minute of browser compute.

$0/mo

Low

Supabase

API key management, user authentication, and billing state storage.

$25/mo

Low

☁️ Infrastructure Cost

Stage	Total/mo	Breakdown
M1 (~10)	$105	Fly.io (Compute) $30 + Proxy Starter Plan $50 + Supabase $25
M6 (~100)	$450	Fly.io (Scaled containers) $200 + Proxy Pool $200 + Supabase $50
M12 (~1K)	$2200	Dedicated container clusters $1200 + Enterprise Proxy Pool $800 + Database/Redis $200

📅 Weekly Build Plan

W1

Fortress Dockerization + Core REST API

→ Local API endpoint yielding unblocked HTML

~35h

W2

Proxy integration + Cloud Deployment (Fly.io)

→ Working cloud API capable of bypassing Cloudflare

~40h

W3

Supabase Auth + API Key management + Stripe Metered Billing

→ Ready for initial beta developers

~30h

W4

Concurrency limits + Zombie process cleanup + Reliability checks

→ Public launch-ready SaaS endpoints

~25h

🤖 AI Build Advantage

AI is excellent at generating the boilerplate for Node.js API wrappers, Playwright automation scripts, and complex Dockerfiles, saving roughly 40% of the initial setup time.

⚠️ Biggest Tech Risk

Anti-bot vendors (Cloudflare, Datadome) constantly update their fingerprinting. If the upstream Fortress open-source project fails to update quickly enough, your core SaaS offering breaks for all users simultaneously.