Poku

Judgement

What it is

Developer tool

What it does

A dependency-free JavaScript test runner that runs the same test files on Node.js, Bun and Deno, with helpers for starting servers, processes and containers in tests.

Adopt it when

Your library must work on Node.js, Bun and Deno and you want one test suite for all three.

Watch out

It is mostly a single-maintainer project with a small user base next to Vitest or Jest.

Ready for

Usable

Runs as

Command line and library

Built with

TypeScript

How established

Established: started 2 years ago, latest release v4.5.0.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Poku → TypeScript → Go → runs on a microchip

How compilers were built, back to punched paper tape

Open-source alternatives to Poku

1. 1
   Playwright microsoft

   Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

   Developer tool Production-ready You need reliable end-to-end tests across all major browser engines, or browser automation for scripts and AI agents.

   ★ 99k Apache-2.0 TypeScript Active, pushed today
   
2. 2
   Cypress cypress-io

   Fast, easy and reliable testing for anything that runs in a browser.

   Developer tool Production-ready Your front-end team wants an easy-to-debug browser test tool with an interactive runner, mainly for Chromium-family browsers.

   ★ 51k MIT TypeScript Active, pushed today
   
3. 3
   Jest jestjs

   Delightful JavaScript Testing.

   Developer tool Production-ready You maintain a React or Node.js codebase already built around Jest, or want the most widely documented JavaScript test runner.

   ★ 45k MIT TypeScript Active, pushed 3 days ago
   
4. 4
   Mocha mochajs

   ☕️ Classic, reliable, trusted test framework for Node.js and the browser

   Developer tool Production-ready You maintain an existing Node.js suite written for Mocha, or want a minimal runner where you pick each piece yourself.

   ★ 23k MIT JavaScript Active, pushed yesterday
5. 5
   AVA avajs

   Node.js test runner that lets you develop with confidence 🚀

   Developer tool Production-ready You test Node.js libraries and prefer a minimal runner without global functions.

   ★ 21k MIT JavaScript Active, pushed 5 days ago
6. 6
   Vitest vitest-dev

   Next generation testing framework powered by Vite.

   Developer tool Production-ready The project already builds with Vite, or you want native ES module and TypeScript support without the transform setup Jest needs.

   ★ 17k MIT TypeScript Active, pushed today
   
7. 7
   Karate karatelabs

   Test Automation Made Simple

   Developer tool Production-ready Testers who are not strong Java programmers need to write API tests and mocks for microservices in a readable format.

   ★ 9k MIT Java Active, pushed today
8. 8
   Doctest doctest

   The fastest feature-rich C++11/14/17/20/23 single-header testing framework

   Developer tool Production-ready You want C++ unit tests with very low compile-time cost or tests written inside the source files themselves.

   ★ 6.9k MIT C++ Active, pushed 18 days ago