esbuild

esbuild is an extremely fast JavaScript and CSS bundler and minifier, designed to dramatically improve build tool performance. Written in Go and compiling to native code, it achieves build times 10-100 times faster than traditional JavaScript-based bundlers like Webpack or Rollup. The current stable version is 0.28.0 (as of April 2026), with a sustainable release cadence ensuring frequent updates and feature additions. Key features include built-in support for JavaScript, TypeScript, JSX, and CSS, bundling of ESM and CommonJS modules, aggressive tree-shaking, minification, source map generation, and a straightforward API for both CLI and programmatic use. It also offers a plugin system for extending its core functionality. It is widely adopted for rapid development and production builds where speed is critical, often integrated into meta-frameworks and other build tools.