Turborepo Has a Free Build System for JavaScript Monorepos

Turborepo caches builds and only rebuilds what changed. Your CI pipeline goes from 20 minutes to 2 minutes.

The Monorepo Pain

You have a monorepo with 5 packages. You change one file in packages/utils. Without Turborepo, CI rebuilds ALL 5 packages, runs ALL tests, deploys everything.

With Turborepo: it rebuilds utils + packages that depend on it. Everything else comes from cache.

What You Get for Free

Intelligent caching — hash inputs (source files, env vars, dependencies) → if hash matches, skip the task
Parallel execution — runs independent tasks across all CPU cores
Remote caching — share build cache across your team and CI (Vercel or self-hosted)
Pipeline definition — declare task dependencies, Turborepo figures out the execution order

Quick Start

npx create-turbo@latest

Or add to existing monorepo:

npm i -D turbo

Add turbo.json:

{
  "tasks": {
    "build": {
      "dependsOn": ["^build"],
      "outputs": ["dist/**"]
    },
    "test": {
      "dependsOn": ["build"]
    },
    "lint": {}
  }
}

Run:

npx turbo build test lint

Turborepo builds dependencies first, runs lint in parallel (no deps), caches everything.

Real Impact

Typical monorepo CI improvement:

• First run: same as before (populates cache)
• Subsequent runs: 60-90% faster (cache hits)
• After changing 1 package: 80-95% faster

Remote caching means your teammate's build cache saves YOUR CI time.

vs Nx

Nx is more feature-rich (project graph visualization, generators, plugins). Turborepo is simpler — it does ONE thing (task orchestration + caching) and does it well.

If you want minimal config and maximum speed: Turborepo.
If you want a full monorepo toolkit: Nx.

If your monorepo CI takes more than 5 minutes — Turborepo will cut it in half with 10 minutes of setup.

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