Developer Tools · head to head
Garden vs TestNG
Garden
Developer Tools
Kubernetes development and testing automation with shared caching, now owned by Incredibuild
- From
- Free
- Rated
- -
TestNG
Testing
Java testing framework created by Cedric Beust, still actively maintained but effectively a single-lead project
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Garden incredibuild acquired Garden in November 2024 and the pricing page now redirects to documentation, so there is no public commercial offer and no published roadmap for a team betting a platform on it.; TestNG maintainership is concentrated around creator Cedric Beust rather than a broad team or foundation, which is a real continuity risk compared to JUnit's independent team or Jest's foundation backing.
- They diverge on capability: Garden covers Action graph, TestNG covers Test dependencies.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Garden and TestNG actually diverge.
Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Garden
- Action graph
- Shared result caching
- Remote Kubernetes environments
- In-cluster builds
- Same config everywhere
- Hot reload sync
- Helm and Kustomize support
- Templating
Only in TestNG
- Test dependencies
- XML suite configuration
- Native parallel execution
- Data providers
- Grouping
- Flexible reporting
What people use each for
The jobs each tool is most often brought in to do.
Garden
- A platform team whose integration test suite takes longer than the coffee break and needs caching to cut the loopnot TestNG
- An organisation with thirty or more services on Kubernetes where docker-compose no longer approximates productionnot TestNG
- Giving every developer an ephemeral namespace instead of queuing for one shared staging environmentnot TestNG
- Running the identical build and test definition locally and in CI so failures reproduce on a laptopnot TestNG
TestNG
- A Java integration test suite that needs to skip dependent tests automatically when a prerequisite test failsnot Garden
- A team wanting XML-based suite configuration to manage large, grouped test suites without touching code for each runnot Garden
- A project needing native parallel test execution at the class or method level without adding a separate pluginnot Garden
- A Selenium-based UI test suite that uses TestNG as the underlying runner for grouping and parallelisationnot Garden
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Garden
- Incredibuild acquired Garden in November 2024 and the pricing page now redirects to documentation, so there is no public commercial offer and no published roadmap for a team betting a platform on it.
- It is tightly bound to Kubernetes, so teams running on ECS, Nomad, plain VMs or serverless get little from it and would need a different tool entirely.
- The YAML action graph is a real configuration surface: a large monorepo needs someone to own and maintain Garden config as a first-class artefact, which is a standing platform-engineering cost.
- Shared remote environments mean every developer needs cluster access and a cost allocation model, so cloud spend rises and namespace sprawl becomes a thing you have to police.
- Caching correctness depends on declaring dependencies accurately; an under-declared action will serve a stale cached pass and hide a genuine test failure, which is a hard class of bug to notice.
TestNG
- Maintainership is concentrated around creator Cedric Beust rather than a broad team or foundation, which is a real continuity risk compared to JUnit's independent team or Jest's foundation backing.
- It is a smaller ecosystem than JUnit, so fewer third-party integrations, tutorials and Stack Overflow answers exist for edge cases.
- XML-based suite configuration, while powerful, is an extra file and syntax to maintain alongside the codebase, which some teams find adds friction JUnit's more code-centric model avoids.
- There is no commercial support tier or vendor relationship of any kind, unlike JUnit's OpenElements arrangement, so an enterprise wanting a support contract has no route to buy one.
- Release cadence, while active, is slower and less frequent than JUnit 5's, since it depends on a much smaller pool of active maintainers.
Pricing, plan by plan
Garden
Free- Garden open sourceFree
- Apache 2.0 licensed CLI
- Full action graph and caching
- Self-managed clusters
- Commercial tier$undefined/year
- Hosted caching and team features
- Support and onboarding
- Pricing no longer published since the Incredibuild acquisition
TestNG
Free- TestNGFree
- Full functionality, no usage limits
- Community support via GitHub
- No commercial support tier exists
Which should you pick?
Choose Garden if
- You need action graph.
- You want to start without paying.
- You work on Linux, macOS, Windows, Kubernetes.
- You also want shared result caching.
Choose TestNG if
- You need test dependencies.
- You want to start without paying.
- You work on Linux, macOS, Windows.
- You also want xml suite configuration.
Questions people ask
- Is Garden or TestNG better?
- Neither clearly leads. Garden starts at Free and TestNG at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Garden or TestNG?
- Garden starts at Free and TestNG at Free.
- Does Garden or TestNG run on more platforms?
- Garden runs on Linux, macOS, Windows, Kubernetes. TestNG runs on Linux, macOS, Windows.
- Can I use Garden for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Garden best used for?
- Garden is most often used for a platform team whose integration test suite takes longer than the coffee break and needs caching to cut the loop, an organisation with thirty or more services on kubernetes where docker-compose no longer approximates production, giving every developer an ephemeral namespace instead of queuing for one shared staging environment, running the identical build and test definition locally and in ci so failures reproduce on a laptop. Of those, a platform team whose integration test suite takes longer than the coffee break and needs caching to cut the loop and an organisation with thirty or more services on kubernetes where docker-compose no longer approximates production are not what TestNG is typically brought in for.
- What can Garden do that TestNG cannot?
- Garden covers Action graph, Shared result caching, Remote Kubernetes environments, In-cluster builds. TestNG covers Test dependencies, XML suite configuration, Native parallel execution, Data providers.
Answered from the vendors’ own pages
Garden: Is Garden still maintained?
The open source project remains on GitHub under Incredibuild ownership, but the commercial pricing page redirects to the docs and there is no public paid offer.
TestNG: Is TestNG still actively maintained in 2026?
Yes, it continues to receive releases in its 7.x line with support for current Java versions, though maintenance is concentrated around a small team led by its creator.
Garden: Do I need Kubernetes?
Effectively yes. Garden is built around Kubernetes environments and offers little to teams on other runtimes.
TestNG: What does TestNG offer that JUnit does not?
Native test dependencies, XML-based suite configuration and built-in parallel execution without needing external plugins, all of which JUnit users typically add via separate libraries.
Garden: Does it replace my CI system?
No. It runs inside GitHub Actions, GitLab CI or similar and speeds up what those pipelines execute.
TestNG: Is there a commercial support option for TestNG?
No, unlike JUnit there is no commercial support arrangement; support is purely community-based through GitHub.
Garden: What is the actual saving?
It comes from skipping builds and tests whose inputs have not changed, so the benefit scales with how many services you have and how often only a few change.
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