Poku
Poku: A focused open-source runner for cross-runtime projects with practical testing helpers. Ranked #9 of 23 in JavaScript Testing Frameworks by our editors (7.7/10); pricing: Free plan; best for cross-runtime Node, Bun, and Deno projects.
At a glance
- Editor score7.7 / 10
- PricingFree plan
- Best forCross-runtime Node, Bun, and Deno projects
- Free planYes
- Paid fromFree
- Component testingYes
- Facts checked20 Sep 2026
Where it wins
- Runs tests across Node.js, Bun, and Deno
- Combines parallel execution, watch mode, and service helpers
- Official plugins support coverage plus React and Vue testing
Where it doesn't
- Component testing is provided through plugins
- Coverage reporting is provided through plugins
- Its focus is JavaScript runtimes rather than broader testing workflows
Our verdict on Poku
Poku is an open-source JavaScript test runner for developers working on packages and applications across Node.js, Bun, and Deno. It combines Node.js-compatible assertions with test, describe, and it helpers, file discovery, parallel and concurrent execution, and watch mode for rerunning affected tests. The runtime coverage makes it a natural fit for teams that want one testing approach across multiple JavaScript environments while retaining both ESM and CommonJS support.
Its strongest differentiator is the breadth of development and environment helpers around the test runner. Poku includes process, port, server, and service helpers, along with container testing helpers for workflows that involve more than isolated functions. Official plugins extend the core with coverage and React or Vue component testing in DOM environments. Installation is available through npm, Bun, or Deno, which aligns the package with the runtimes it supports.
Poku suits developers who value cross-runtime execution, parallel testing, watch mode, and integrated helpers for services or containers. It also fits projects that need component testing or coverage through official plugins. The trade-off is a focused toolset centered on JavaScript runtime testing: component testing and coverage depend on plugins, and teams seeking a broader testing platform may prefer a product designed around a different scope. Choose Poku when Node.js, Bun, and Deno support is central; consider an alternative when those runtimes and its helper-oriented workflow are not priorities.
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Poku pricing
Poku fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Component testing | Yes |
| Coverage reporting | Yes |
| Snapshot testing | Not verified |
| Supported runtimes | Node.js, Bun, Deno |
| Parallel execution | Yes |
| Parallel workers | Not verified |
| Support | Docs |
| Built for | Solo, Small business, Mid-market (editorial estimate) |
| Pricing | Free plan |
| Website | poku.io |
| Facts checked | 20 Sep 2026 |
Alternatives to Poku
- VitestA broad open-source test framework for modern Vite-based JavaScript and TypeScript projects.9.3
- JestA complete open-source toolkit for established JavaScript and TypeScript teams.9.2
- RstestA broad, open-source test platform for Node, DOM, browser, and React component testing.8.7
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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