can i fork it?

Head-to-Head Comparison · Alternative to hCaptcha · 🤖 automation

hCaptcha vs Cap

Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry. Here is how Cap ($0/mo open source) stacks up against hCaptcha ($15/mo) across cost, hosting, data privacy, and real-world trade-offs.

⚡ Quick Verdict · 2027 Comparison

Cap is a verified Open Source-licensed open-source replacement for hCaptcha. Switching from hCaptcha ($15/mo) saves $180/yr per solo seat, or $900/yr for a 5-person team. Deployment: Runs on Self-host.

The catch: Requires self-hosting setup, updates, and server maintenance compared to managed hCaptcha.

Open-Source Alternative

Cap

$0.00/mo · Open Source

hCaptcha vs Cap Specifications

facts verified 2026-11-07

DimensionhCaptcha (Paid)Cap (Replacement)
Monthly Price$15 / mo$0 / mo
1-Year Cost (1 seat)$180 / yr$0 / yr (Save $180)
1-Year Cost (5 seats)$900 / yr$0 / yr (Save $900)
1-Year Cost (10 seats)$1,800 / yr$0 / yr (Save $1,800)
Source & LicenseProprietary SaaSopen source Open Source
Where It RunsVendor CloudSelf-host (your server)
PlatformsWeb / Cloud
webself-hosteddocker to self-host
GitHub Stars—★ 8.3k (active nov 2026)

Deep Dive: Switching from hCaptcha to Cap

Trade-offs, installation & data architecture

The Catch vs hCaptcha

What you trade away

Requires self-hosting setup, updates, and server maintenance compared to managed hCaptcha.

Installation

How to deploy Cap

Clone https://github.com/tiagozip/cap or deploy with Docker Compose

Day-2 Operations & Setup

What it takes to run

Deploy via Docker or binary release from GitHub and configure environment variables.

Data Ownership

Where your data lives

All application data and configuration live on your own server or local database.

Build vs Fork Verdict: NO (use a free alternative, save the tokens)

Why fork Cap instead of vibe-coding a hCaptcha clone?

Instead of paying recurring SaaS fees for hCaptcha or rebuilding it from scratch, deploy one of the 6 battle-tested open-source alternatives like Cap.

hCaptcha vs Cap FAQ

Is Cap a good free alternative to hCaptcha?+

Yes. Cap is a verified open-source (Open Source) replacement for hCaptcha. Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.

What is the catch when switching from hCaptcha to Cap?+

Requires self-hosting setup, updates, and server maintenance compared to managed hCaptcha.

How much do you save switching from hCaptcha to Cap?+

hCaptcha costs $15/mo ($180/yr) per seat, whereas Cap is $0/mo. Switching saves $180/yr for a solo user, $900/yr for a 5-person team, and $1,800/yr for a 10-person team.

How do I install or self-host Cap instead of hCaptcha?+

Install: Clone https://github.com/tiagozip/cap or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.

Other Free Alternatives to hCaptcha

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Cap Also Replaces

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