werf

Windows · Mac · Linux · Self-hosted · API

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Freedom report

Two barsScore 5.6

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

werf is ranked #12 of 32 in container build tools on Freedom251. It runs on API, Linux, macOS, Self-hosted, Windows.

Compared on container build tools

Free plan: Yes

Best werf alternatives

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Two bars BuildKit Free tier No. 1Free6.6 Two bars Dagger Free tier No. 2$50/mo6.6 Two bars Garden Free tier No. 3Free6.6 Two bars Tilt Free tier No. 4Free6.6 Two bars AWS CodeBuild Free tier No. 5Free6.5 Two bars Cloud Native Buildpacks Pack Free tier No. 6Free6.5

The record

Product: werf is an open-source tool for building images, running tests, distributing release artifacts, and deploying applications to Kubernetes.
Giterminism: werf uses Giterminism to encourage keeping delivery configuration in Git as the source of truth.
Builds: werf supports Dockerfiles and Stapel, an alternative assembly syntax, for defining image builds.
Caching: werf supports incremental builds that rebuild modified components and reuse existing layers from a container registry.
Deployment: The werf converge command builds images and deploys an application, and deployment tracking waits for resources to become ready by default.
CI integrations: werf provides ready-made integrations for GitLab CI/CD and GitHub Actions.
Container registries: Documented registry implementations include ECR, ACR, Docker Hub, GCR, GitHub, GitLab, Harbor, and Quay.
Secret handling: werf can encrypt Helm secret parameter files for storage in Git; decrypting them requires the secret key.
Telemetry: werf collects anonymous usage data, and telemetry can be disabled by setting WERF_TELEMETRY=0.
Operating systems: The Getting Started guide includes Linux, macOS, and Windows workflows.
Windows constraint: The Windows and Docker guide lists PowerShell, Git 2.18.0 or above, GPG, and Docker Engine as requirements.
Community: The homepage says developers are in contact with the community and lists Telegram, Bluesky, and GitHub Discussions.
Project origin: The homepage says werf was originally created by Flant and identifies werf as a CNCF sandbox project.
Project start: The maker's publication says werf's first commit was on January 22, 2016.

Where it ranks on Freedom251

Best Container Build Tools in 2026#12 of 32
Best Kubernetes Deployment Tools in 2026#15 of 27

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Sources

werf.io· checked 30 Sept 2026
werf.io/docs/v3/usage/project_configuration/ove· checked 30 Sept 2026
werf.io/docs/v3/usage/deploy/deployment_scenari· checked 30 Sept 2026
werf.io/docs/v3/usage/integration_with_ci_cd_sy· checked 30 Sept 2026
werf.io/docs/v3/reference/cli/werf_build.html· checked 30 Sept 2026
werf.io/docs/latest/usage/deploy/values.html· checked 30 Sept 2026
werf.io/docs/v3/resources/telemetry.html· checked 30 Sept 2026
werf.io/getting_started/· checked 30 Sept 2026
werf.io/getting_started/local/windows-docker.ht· checked 30 Sept 2026
werf.io/publications.html· checked 30 Sept 2026
cncf.io/projects/werf/· checked 30 Sept 2026
werf.io/docs/latest/usage/build/overview.html· checked 30 Sept 2026