Best Container Build Tools in 2026
Updated
In short: BuildKit is ranked #1 of 32 as of 4 October 2026, ahead of Dagger and Garden. The best-ranked option with a free plan is Dagger. The lowest first paid tier on this page is Google Cloud Build at $0.01/mo.
Container build tools turn application code and build instructions into container images, with options for running and managing that work in different ways. Compared on build method, build cache backends, and build secret handling, the entries give you criteria for judging how a tool fits your build workflow. Concurrent builds and multi-architecture builds matter when you need to consider parallel work or varied targets. You can also weigh SBOM generation, free-plan availability, and paid-from pricing. BuildKit, Dagger, and Garden are among the named tools to compare; Tilt, AWS CodeBuild, and Buildah add other approaches. Match the listed capabilities to the build requirements you need to support.
32 container build tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
10 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | BuildKitWindows · Mac · Linux · Self-hosted · API | Three bars | — | 3 of 6 | Free | 6.6 | |
| 2 | DaggerWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | $50/mo | 6.6 | |
| 3 | GardenWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | Free | 6.6 | |
| 4 | TiltWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.6 | |
| 5 | AWS CodeBuildWeb · Windows · Linux · API | Three bars | — | 3 of 6 | Free | 6.5 | |
| 6 | Cloud Native Buildpacks PackWindows · Mac · Linux · Self-hosted | Three bars | — | 3 of 6 | Free | 6.5 | |
| 7 | JibWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 8 | BuildahLinux · Self-hosted · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 9 | KanikoLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.4 | |
| 10 | Paketo BuildpacksLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.4 | |
| 11 | EarthlyWeb · Windows · Mac · Linux · Self-hosted · API | Two bars | — | — | 4 of 6 | — | 5.7 |
| 12 | werfWindows · Mac · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | — | 5.6 |
| 13 | apkoMac · Linux · Self-hosted | One bar | — | — | 2 of 6 | — | 5.5 |
| 14 | Google Cloud BuildWeb · Linux · API | One bar | — | — | 2 of 6 | $0.01/mo | 5.5 |
| 15 | Docker BuildxWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.4 |
| 16 | DepotWeb · Windows · Mac · Linux · Self-hosted · API | Two bars | — | — | 4 of 6 | $20/mo | 5.3 |
| 17 | koWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 18 | MeetingScribeWeb · Windows | One bar | — | — | 2 of 6 | — | 5.3 |
| 19 | NixpacksWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 20 | Open Build ServiceWeb · Linux | No signal | — | — | 2 of 6 | — | 5.3 |
| 21 | Source-to-ImageWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 22 | Cloud Native Buildpacks LifecycleLinux | No signal | — | — | 1 of 6 | — | 5.2 |
| 23 | KIWI NGLinux | No signal | — | — | 1 of 6 | — | 5.2 |
| 24 | rules_dockerMac · Linux | No signal | — | — | 2 of 6 | — | 5.2 |
| 25 | rules_imgMac · Linux | No signal | — | — | 2 of 6 | — | 5.2 |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which container build tool is ranked first on Freedom251?
BuildKit is ranked #1 of 32 with a score of 6.6. Dagger is second and Garden third.
How many of these have a free plan?
10 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Google Cloud Build has the lowest first paid tier we found: $0.01/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.