Buck
Buck is a high-performance build system developed by Meta (formerly Facebook) for building and testing software projects, particularly large-scale ones. It is designed to optimize build times by caching intermediate artifacts and supporting incremental builds, making it efficient for monorepos and complex codebases. Buck supports multiple programming languages, including Java, C++, and Python, and integrates with various testing frameworks.
Developers should learn and use Buck when working on large, multi-language projects where fast and reliable builds are critical, such as in enterprise applications or mobile development at scale. It is especially valuable in monorepo environments, like those at Meta or Google, where it helps manage dependencies and reduce build times through caching and parallelism. Use cases include building Android apps, backend services, and cross-platform libraries that require consistent and reproducible builds.