can i fork it?

Head-to-Head Comparison · Alternative to Screaming Frog SEO Spider · 📈 seo & marketing

Screaming Frog SEO Spider vs FreeCrawl

A finished desktop crawler with 200 checks, JavaScript rendering, projects and exports; unusually close to the actual frog. Here is how FreeCrawl ($0/mo open source) stacks up against Screaming Frog SEO Spider ($23.55/mo) across cost, hosting, data privacy, and real-world trade-offs.

Screaming Frog SEO Spider vs FreeCrawl Specification Matrix

facts verified 2026-08-11

DimensionScreaming Frog SEO Spider (Paid)FreeCrawl (Replacement)
Monthly Price$23.55 / mo$0 / mo
1-Year Cost (1 seat)$283 / yr$0 / yr (Save $283)
1-Year Cost (5 seats)$1,413 / yr$0 / yr (Save $1,413)
1-Year Cost (10 seats)$2,826 / yr$0 / yr (Save $2,826)
Source & LicenseProprietary SaaSopen source MIT
Where It RunsVendor CloudLocal (on your machine)
PlatformsWeb / Cloud
desktopclione-click install
GitHub Stars—★ 87 (active jul 2026)

Deep Dive: Switching from Screaming Frog SEO Spider to FreeCrawl

Trade-offs, installation & data architecture

The Catch vs Screaming Frog SEO Spider

What you trade away

It is less battle-tested and has fewer mature configuration, extraction and integration workflows than Screaming Frog.

Installation

How to deploy FreeCrawl

Windows installer or portable build, macOS DMG, or Linux AppImage, deb or rpm

Day-2 Operations & Setup

What it takes to run

The prebuilt apps install normally, but the macOS build may require bypassing Gatekeeper for an unsigned application

Data Ownership

Where your data lives

Local SQLite WAL project files (.seoproject), optionally AES-256-GCM encrypted; exports include Excel, CSV, JSON, XML, HTML, sitemaps, Google Sheets and BigQuery

Build vs Fork Verdict: YES (the core loop fits in a weekend)

Why fork FreeCrawl instead of vibe-coding a Screaming Frog SEO Spider clone?

The core loop is small enough for a capable coding agent to produce a useful local version in one sitting. For Screaming Frog SEO Spider, crawl an owned site locally, inspect technical signals, and export raw audit data. The hard boundary is years of crawl edge cases, javascript rendering, integrations, and desktop performance, plus crawl scale, rule depth, and operational polish.

Screaming Frog SEO Spider vs FreeCrawl FAQ

Is FreeCrawl a good free alternative to Screaming Frog SEO Spider?+

Yes. FreeCrawl is a verified open-source (MIT) replacement for Screaming Frog SEO Spider. A finished desktop crawler with 200 checks, JavaScript rendering, projects and exports; unusually close to the actual frog.

What is the catch when switching from Screaming Frog SEO Spider to FreeCrawl?+

It is less battle-tested and has fewer mature configuration, extraction and integration workflows than Screaming Frog.

How much do you save switching from Screaming Frog SEO Spider to FreeCrawl?+

Screaming Frog SEO Spider costs $23.55/mo ($283/yr) per seat, whereas FreeCrawl is $0/mo. Switching saves $283/yr for a solo user, $1,413/yr for a 5-person team, and $2,826/yr for a 10-person team.

How do I install or self-host FreeCrawl instead of Screaming Frog SEO Spider?+

Install: Windows installer or portable build, macOS DMG, or Linux AppImage, deb or rpm. Setup: The prebuilt apps install normally, but the macOS build may require bypassing Gatekeeper for an unsigned application

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FreeCrawl Also Replaces

full FreeCrawl profile →