build2

build2 is ranked #8 of 40 in build automation software on The Geeks Club. It runs on Linux, macOS, Windows.

Compared on build automation software

Build as code: Yes
Dependency locking: No
Build caching: Yes
Remote execution: Yes
Artifact packaging: Yes
Supported operating systems: multi-platform

Best build2 alternatives

See all 12

7.9 Nx Free plan

7.2 Gradle Free plan

7.2 Pants Free plan

7.1 Bazel Free plan

7.0 Rush Free plan

6.9 Buck2 Free plan

build2

Product: build2 is an open-source toolchain for building and packaging C/C++ projects.
Components: The toolchain includes a general-purpose build system, a package manager, and a project manager.
Package registry: The project describes cppget.org as a central repository or registry for open-source packages.
License: The project identifies build2 as MIT-licensed open-source software.
Package manager: The package manager can fetch, unpack, and configure packages, and release 0.18.1 introduced a fetch cache.
Build performance: Release 0.18.1 included build-system performance improvements, including optimized builds for read-only projects such as dependencies.
Windows and Linux downloads: Release 0.18.1 provides official binary packages for Windows and several Linux distributions, including Debian, Ubuntu, Fedora, RHEL, and generic Linux.
Other installation channels: The release announcement says Mac OS packages are available through Homebrew and FreeBSD packages through ports.
Tested systems: Release 0.18.1 was tested on Windows, Linux, Mac OS, and FreeBSD, including x86_64 and aarch64 on Linux and Mac OS.
Compiler support: The release announcement lists testing with GCC, Clang, MinGW GCC, and MSVC.
Package requirements: Package manifests can express requirements such as C++ standards, operating systems, and compiler families or versions.
Testing and installation: The build system manual describes modules that provide test, install, uninstall, and source-distribution operations.
Language scope: The build model is general enough for DAG-based operations and is not limited to C/C++ or compiled languages.
Toolchain: The build2 toolchain includes the build system, the bpkg package dependency manager, and the bdep project dependency manager.

Visit site Alternatives

Where it ranks on The Geeks Club

Best Build Automation Software in 2026#8 of 40

Is build2 yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote build2

Sources

github.com/build2· checked 4 Oct 2026
lists.build2.org/archives/announce/2026/000035.html· checked 4 Oct 2026
build2.org/stage/bpkg/doc/build2-package-manager-m· checked 4 Oct 2026
build2.org/stage/build2/doc/build2-build-system-ma· checked 4 Oct 2026
build2.org/build2/doc/build2-build-system-manual-a· checked 4 Oct 2026
build2.org/build2-toolchain/doc/build2-toolchain-i· checked 4 Oct 2026
build2.org/stage/build2-toolchain/doc/build2-toolc· checked 4 Oct 2026