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Compare IT tools

Understand the differences before you shortlist.

Astro×

kage×

Attribute	AstroOpen source	kageOpen source
Overview
Primary focus	Content-focused web framework that ships zero JS by default	Mirror any website to a single offline archive, JavaScript stripped
Deployment	Not specified	Self-hosted
Source model	Open source	Open source
Pricing model	open source	open source
API available	Not specified	Not specified
Windows desktop	Not specified	Yes
Mobile app	Not specified	Not specified
Overview	Astro is an open-source, MIT-licensed framework for content-driven sites using islands architecture, shipping minimal JavaScript by default; its team joined Cloudflare in January 2026.	kage clones any website for offline viewing using headless Chrome. It renders pages, strips all JavaScript, downloads all assets locally, and packages everything into a browsable offline archive.
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Vendor website	Visit vendor ↗	Visit vendor ↗
ITHub profile	View full profile →	View full profile →

Primary focus: Content-focused web framework that ships zero JS by default
Deployment: Not specified
Source model: Open source
Pricing model: open source
API available: Not specified
Windows desktop: Not specified
Mobile app: Not specified
Overview: Astro is an open-source, MIT-licensed framework for content-driven sites using islands architecture, shipping minimal JavaScript by default; its team joined Cloudflare in January 2026.

Primary focus: Mirror any website to a single offline archive, JavaScript stripped
Deployment: Self-hosted
Source model: Open source
Pricing model: open source
API available: Not specified
Windows desktop: Yes
Mobile app: Not specified
Overview: kage clones any website for offline viewing using headless Chrome. It renders pages, strips all JavaScript, downloads all assets locally, and packages everything into a browsable offline archive.

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