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Top 23 TypeScript testing-tool Projects
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Playwright
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
Project mention: Data Broken - Opt out of the data broker nightmare with Privotron and Amazon Q Developer | dev.to | 2025-05-11Privotron is built on a modern Python stack that leverages several powerful libraries for browser automation and configuration management. At its core, the application uses Playwright, a robust browser automation framework that provides cross-browser support and reliable DOM interaction capabilities. The command-line interface is implemented using Click, which enables sophisticated argument parsing and validation with minimal boilerplate code. For configuration management, Privotron employs PyYAML to parse broker-specific YAML files, allowing for declarative definitions of opt-out workflows. The architecture combines declarative configuration with imperative execution, allowing for a flexible and extensible system that can adapt to the varied requirements of different data broker opt-out processes.
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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Formerly known as Postwoman, Hoppscotch burst onto the scene as a "free, fast, beautiful" API request builder that runs directly in your browser. It's remarkably lightweight and offers a slick, modern UI that appeals to many.
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Comprehensive test coverage using Vitest:
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garden
Automation for Kubernetes development and testing. Spin up production-like environments for development, testing, and CI on demand. Use the same configuration and workflows at every step of the process. Speed up your builds and test runs via shared result caching
Project mention: DevOps in 2025: the future is automated, git-ified, and kinda scary but fun. | dev.to | 2025-05-09Garden or Tilt for dev environments
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mongodb-memory-server
Manage & spin up mongodb server binaries with zero(or slight) configuration for tests.
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Civic Auth
Auth in Less Than 5 Minutes. Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.
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CI/CD testing: As mentioned earlier, if you have fast preview deployments of your API hooked up to your PRs, you can use a tool like StepCI to run integration and end-to-end tests as a part of your development workflow.
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Spearmint
Testing, simplified. || An inclusive, accessibility-first GUI for generating clean, semantic Javascript tests in only a few clicks of a button. (by open-source-labs)
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ollama-grid-search
A multi-platform desktop application to evaluate and compare LLM models, written in Rust and React.
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Recorder
A browser extension that generates Cypress, Playwright and Puppeteer test scripts from your interactions 🖱 ⌨ (by DeploySentinel)
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argos
Eliminate visual bugs & regressions. The open source visual testing platform for modern engineering teams. (by argos-ci)
Project mention: Migrating from Radix to React Aria: Enhancing Accessibility and UX at Argos | dev.to | 2024-05-27Each element has its own responsibilities, making composition a breeze. For example, in Argos, I have a Popover component used for Select and Menu. It is responsible for the animation and the container style.
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clobbr
⚡️ A tool to check the speed and resilience of your API endpoints against multiple parallel or sequence requests.
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Jugglr
Jugglr is a test data management tool that enables reliable testing with a Docker containerized database
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
TypeScript testing-tools discussion
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Writing an LLM Eval with Vercel's AI SDK and Vitest
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Migrating from Create React App to Vite — A Step-by-Step Guide
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Sprint 4 - I'm Finally Making Sense of Hurl
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Show HN: Simplifying Back end Testing with qapir.io
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E2E testing challenges using Playwright
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A note from our sponsor - SurveyJS
surveyjs.io | 15 May 2025
Index
What are some of the best open-source testing-tool projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Playwright | 72,510 |
| 2 | Hoppscotch | 71,555 |
| 3 | vitest | 14,292 |
| 4 | garden | 3,489 |
| 5 | mongodb-memory-server | 2,689 |
| 6 | stryker-js | 2,651 |
| 7 | nut.js | 2,475 |
| 8 | stepci | 1,743 |
| 9 | lost-pixel | 1,448 |
| 10 | Spearmint | 1,280 |
| 11 | ezy | 1,016 |
| 12 | mockttp | 806 |
| 13 | ollama-grid-search | 730 |
| 14 | trytouca | 506 |
| 15 | Recorder | 467 |
| 16 | argos | 460 |
| 17 | prestige | 389 |
| 18 | vscode-catch2-test-adapter | 223 |
| 19 | clobbr | 217 |
| 20 | laika | 122 |
| 21 | dakka | 120 |
| 22 | Jugglr | 74 |
| 23 | github-action-ts-run-api | 55 |
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