Skip to content
Dev Tools Library

Testing & Quality

37 tools

37 tools

Results

  • PlaywrightFeatured

    End-to-end tests across multiple browsers.

    FrameworkOpen source★ 98.9K

  • Puppeteer

    Controls Chrome from code: screenshots, PDFs and automation.

    LibraryOpen source★ 95.8K

  • Prettier

    Opinionated code formatter.

    CLIOpen source★ 52.4K

  • Cypress

    E2E with an interactive debugging UI.

    FrameworkOpen source★ 51K

  • Ruff

    Extremely fast Python linter and formatter, in Rust.

    CLIOpen source★ 50.3K

  • Jest

    Established JavaScript testing framework.

    FrameworkOpen source★ 45.5K

  • ShellCheck

    Finds bugs and pitfalls in shell scripts.

    CLIOpen source★ 40.3K

  • Trivy

    Vulnerability scanner for containers, dependencies and IaC.

    CLIOpen source★ 38.9K

  • Selenium

    Veteran browser automation, in several languages.

    LibraryOpen source★ 34.6K

  • k6

    Load testing written in JavaScript, with a Go binary.

    CLIOpen source★ 32.1K

  • Lighthouse

    Audits a page's performance, accessibility, SEO and best practices.

    CLIOpen source★ 31K

  • Locust

    Load testing in Python, with scenarios written in code.

    LibraryOpen source★ 28.3K

  • ESLint

    JavaScript and TypeScript linter.

    CLIOpen source★ 27.6K

  • Biome

    Very fast linter and formatter in Rust.

    CLIOpen source★ 26K

  • Oxlint

    JavaScript and TypeScript linter tens of times faster than ESLint.

    CLIOpen source★ 23.3K

  • Mocha

    Flexible test framework for Node.js and browsers.

    LibraryOpen source★ 22.9K

  • mypy

    Static type checker for Python.

    CLIOpen source★ 20.7K

  • Testing Library

    Tests components the way users use them, not by internal details.

    LibraryOpen source★ 19.7K

  • golangci-lint

    Runs dozens of Go linters in parallel, with caching.

    CLIOpen source★ 19.5K

  • Mock Service Worker

    Mocks APIs by intercepting real network requests.

    LibraryOpen source★ 18.3K

  • Semgrep

    Static security analysis with rules that look like the code.

    CLIOpen source★ 17.4K

  • Vitest

    Vite-native test runner, Jest-compatible.

    FrameworkOpen source★ 17.3K

  • Pyright

    Fast type checker for Python, from Microsoft.

    CLIOpen source★ 15.7K

  • Faker

    Generates realistic fake data: names, addresses, text and more.

    LibraryOpen source★ 15.5K