| Attribute |  TailwindCSSOther license |  AppsmithOpen source |  AstroOpen source |
|---|---|---|---|
| Overview | |||
| Primary focus | Utility-first CSS framework, now backed by Shopify via Tailwind Labs | Build internal applications on existing data | Content-focused web framework that ships zero JS by default |
| Deployment | Not specified | Self-hosted | Not specified |
| Source model | Other license | Open source | Open source |
| Pricing model | open source | open source | open source |
| API available | Not specified | Yes | Not specified |
| Windows desktop | Not specified | Not specified | Not specified |
| Mobile app | Not specified | Not specified | Not specified |
| Overview | Tailwind CSS is a free, open-source utility-first CSS framework for building custom designs directly in markup; Tailwind Labs joined Shopify in September 2026 while the framework stays MIT-licensed. | Appsmith helps developers assemble internal tools using data connections, UI widgets and JavaScript. | 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. |
| Explore further | |||
| Vendor website | Visit vendor ↗ | Visit vendor ↗ | Visit vendor ↗ |
| ITHub profile | View full profile → | View full profile → | View full profile → |
TailwindCSSOther licenseAppsmithOpen sourceAstroOpen sourceⓘ Confirm technical details and prices with each vendor before making a decision.