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Lage

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Optimize monorepo builds by never building the same code twice.

Developer ToolsTesting & QADevOps
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Tracked since2026
0 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Significantly reduces monorepo build times

Biggest con

The documentation does not explicitly mention support for specific monorepo tools beyond general compatibility, which might require additional configuration for less common setups.

TL;DR - Lage

  • Intelligent build caching for monorepos.
  • Skips unnecessary work based on changes and shared caches.
  • Includes a profiler to identify build bottlenecks.
Pricing: Free forever
Best for: Individuals & startups

What is Lage?

Editorial review
Lage is a build system designed for monorepos that intelligently skips unnecessary work. It achieves this by remembering what has been built before and only processing changes, significantly reducing build times. This caching mechanism works locally and can be extended to cloud storage, allowing teams to leverage shared build caches. Lage is ideal for developers and teams managing large monorepos who want to improve build efficiency and reduce development cycle times. Its built-in profiler helps identify performance bottlenecks, and its integration with related tools like Beachball, Just, and Backfill further enhances its capabilities for semantic versioning, task management, and caching.

Available on: Web

how we evaluateSourcemicrosoft.github.io ↗

Pros & Cons

Pros

  • Significantly reduces monorepo build times
  • Easy to set up and use
  • Supports shared caching across teams
  • Provides insights into build performance

Cons

  • The documentation does not explicitly mention support for specific monorepo tools beyond general compatibility, which might require additional configuration for less common setups.
  • While it mentions cloud storage, the specific integrations or supported providers are not detailed, potentially requiring custom setup for certain cloud environments.
  • The benefits are primarily focused on build performance, and it doesn't highlight features related to other aspects of monorepo management like dependency visualization or code sharing enforcement.

Key Features

Intelligent build cachingLocal and cloud cache supportBuilt-in profiler for bottleneck identificationBuild graph visualization toolsIntegration with Beachball for semantic versioningIntegration with Just for task managementIntegration with Backfill for JavaScript caching

Pricing

Free

Lage is completely free to use with no hidden costs.

View pricing

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Lage FAQ

How does Lage determine which build steps to skip based on changes?

Lage intelligently analyzes your code changes to identify which parts of your monorepo are affected. It then uses this information to skip any build steps that are not necessary, ensuring only relevant tasks are executed.

Can Lage leverage build artifacts created by other team members?

Yes, Lage is designed to share build caches across teams. If a build artifact has already been generated by a colleague, Lage will recognize this and skip the corresponding work for you, even if it's your first time building that specific part of the monorepo.

What options are available for storing Lage's build cache?

Lage supports using a local cache for immediate performance gains. Additionally, it allows integration with your own cloud storage solutions, providing flexibility for larger teams and distributed environments.

How can Lage help identify performance bottlenecks in a monorepo's build process?

Lage includes a built-in profiler that provides detailed insights into your build times. This profiler helps visualize where the bottlenecks are, allowing you to pinpoint and address the slowest parts of your build process.

Does Lage integrate with other tools for monorepo management?

Lage works effectively with several related tools. It can be used alongside Beachball for semantic versioning, Just for task management in frontend projects, and internally utilizes Backfill for its caching mechanisms and p-graph for concurrency control in promise graphs.

Source: microsoft.github.io

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