Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Vitest
A blazing-fast unit testing framework powered by Vite, with Jest-compatible APIs out of the box.
Playwright
Cross-browser end-to-end web testing and browser automation with a single API for Chromium, Firefox, and WebKit.
TanStack Query
Hooks-based async state management for fetching, caching, and syncing server data in React.
jest
Delightful JavaScript testing with zero-config setup, snapshots, mocking, and coverage
pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
qs
A battle-tested querystring parser and serializer for Node.js with nested object support and built-in security limits.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
Cypress
Fast, easy, and reliable end-to-end and component testing for anything that runs in a browser.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
knex
A flexible, portable SQL query builder for Node.js supporting PostgreSQL, MySQL, CockroachDB, SQL Server, SQLite3, and Oracle.
Chai
BDD/TDD assertion library for Node.js and the browser, framework-agnostic
query-string
Parse and stringify URL query strings in JavaScript with flexible array, number, and boolean handling.
Mongoose
Schema-based MongoDB object modeling for Node.js, with built-in validation, middleware hooks, and typed models.
c8
Native V8 code coverage for Node.js, with Istanbul-compatible reports and zero build-step setup.
Ginkgo
A mature, BDD-style testing framework for Go that pairs with Gomega to write expressive, parallelizable specs.