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Up to 4 tools, same rows for each: what it is, what it really costs, the trap, and how to wire it up. The URL carries your picks — send it to anyone.
BiomeAstro Starlight + NextraBun
| Field | Biomebiomejs.dev | Astro Starlight + Nextrastarlight.astro.build | Bunbun.sh |
|---|---|---|---|
| What it is | A single Rust binary that replaces both ESLint and Prettier, at v2.5 with over 500 lint rules, GritQL plugins and a watch mode. It formats and lints JS, TS, JSX, JSON and CSS in one pass, typically many times faster than the tools it replaces. | Two batteries-included docs themes. Nextra (v4) turns a Next.js app into a docs or blog site from Markdown files with almost no config. Astro Starlight builds fully static docs with near-zero client JavaScript, plus built-in i18n, search and dark mode. | A Zig-based JavaScript runtime, bundler, test runner and package manager in one binary, currently at 1.3.x. Most React teams adopt it just as bun install, which is dramatically faster than npm, while still building with Vite. |
| Category | Libraries & build tooling | Libraries & build tooling | Libraries & build tooling |
| Cost tier | free | free | free |
| Pricing | Free · MIT/Apache-2.0 | Free · MIT | Free · MIT |
| Why builders pick it | One dependency and one config file instead of a dozen ESLint plugins that fight Prettier over semicolons. For a solo builder it removes the single most annoying setup step in a new repo. | Starlight is the fastest way to ship docs when you have no Next.js app — one command, drop in Markdown, done. Nextra fits when docs live inside an existing Next.js codebase. | Install times drop from minutes to seconds, and bun x replaces slow npx. You can adopt only the installer and change nothing else about your stack. |
| Watch out for | Rule coverage still trails the full ESLint plugin ecosystem — notably some React and accessibility rules — so heavily-linted teams sometimes keep ESLint alongside it. | Nextra is more theme than framework, so deep customisation means fighting it, and Fumadocs has taken much of its mindshare. Starlight is still pre-1.0 and needs an Astro project. | Still 1.x, not 2.0. Runtime Node-compat gaps remain for some native modules, so using Bun as installer only is the low-risk path. |
| How to wire it up | npm install --save-dev --save-exact @biomejs/biome | npm create astro@latest -- --template starlight | curl -fsSL https://bun.sh/install | bash |
| Editor's pick | No | No | No |
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# Tool comparison — Biome vs Astro Starlight + Nextra vs Bun Source: Kbaise, a directory of tools that work with Lovable projects. Pick one and tell me why before writing any integration code. ## Biome (biome) - URL: https://biomejs.dev - Category: Libraries & build tooling - Cost: free — Free · MIT/Apache-2.0 - What it is: A single Rust binary that replaces both ESLint and Prettier, at v2.5 with over 500 lint rules, GritQL plugins and a watch mode. It formats and lints JS, TS, JSX, JSON and CSS in one pass, typically many times faster than the tools it replaces. - Why builders pick it: One dependency and one config file instead of a dozen ESLint plugins that fight Prettier over semicolons. For a solo builder it removes the single most annoying setup step in a new repo. - Trap: Rule coverage still trails the full ESLint plugin ecosystem — notably some React and accessibility rules — so heavily-linted teams sometimes keep ESLint alongside it. - Wiring: npm install --save-dev --save-exact @biomejs/biome - Full dossier: /api/public/tools/biome ## Astro Starlight + Nextra (astro-starlight-nextra) - URL: https://starlight.astro.build - Category: Libraries & build tooling - Cost: free — Free · MIT - What it is: Two batteries-included docs themes. Nextra (v4) turns a Next.js app into a docs or blog site from Markdown files with almost no config. Astro Starlight builds fully static docs with near-zero client JavaScript, plus built-in i18n, search and dark mode. - Why builders pick it: Starlight is the fastest way to ship docs when you have no Next.js app — one command, drop in Markdown, done. Nextra fits when docs live inside an existing Next.js codebase. - Trap: Nextra is more theme than framework, so deep customisation means fighting it, and Fumadocs has taken much of its mindshare. Starlight is still pre-1.0 and needs an Astro project. - Wiring: npm create astro@latest -- --template starlight - Full dossier: /api/public/tools/astro-starlight-nextra ## Bun (bun) - URL: https://bun.sh - Category: Libraries & build tooling - Cost: free — Free · MIT - What it is: A Zig-based JavaScript runtime, bundler, test runner and package manager in one binary, currently at 1.3.x. Most React teams adopt it just as bun install, which is dramatically faster than npm, while still building with Vite. - Why builders pick it: Install times drop from minutes to seconds, and bun x replaces slow npx. You can adopt only the installer and change nothing else about your stack. - Trap: Still 1.x, not 2.0. Runtime Node-compat gaps remain for some native modules, so using Bun as installer only is the low-risk path. - Wiring: curl -fsSL https://bun.sh/install | bash - Full dossier: /api/public/tools/bun ## Rules 1. Prefer the free tier when no budget was stated, and say what the ceiling is. 2. Read the full dossier before integrating. 3. Fetch /api/public/models before writing any AI model ID.
Agents can fetch the same thing: GET /api/public/compare?slugs=biome,astro-starlight-nextra,bun