seajs/seajs

Health v2 · maintenance only

Adoption not part of the score

8257 stars · 2523 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Sea.js is a browser-side JavaScript module loader implementing the CMD (Common Module Definition) convention, providing asynchronous script loading, dependency resolution, and module organization for web applications. It predates native ES modules and was historically popular for building scalable web apps before bundlers and browser-native module support became widespread.

Use cases

• load javascript modules in the browser
• manage script dependencies on a web page
• organize javascript code into modules without a bundler
• asynchronously load js files with dependency resolution
• run a legacy cmd-based web application
• alternative to requirejs for browser module loading

When to choose

• maintaining or extending an existing codebase already built on Sea.js CMD modules
• you need a lightweight runtime module loader for the browser with no build step
• targeting very old browsers without native ES module support

When to avoid

• starting a new modern project - use native ES modules or a bundler like webpack, vite, or rollup
• you need server-side module resolution - use Node.js built-in module systems
• your team relies on AMD conventions - requirejs is a closer fit

Facets

library · maturity maintenance

developer-tools web-development frontend developer-tools browser module-loader cmd-modules common-module-definition requirejs-alternative async-script-loading javascript legacy no-build-step

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