#testing

W3C WebDriver implementation for Tauri applications

Fluent, fully-typed assertion library for Python: type-narrowing assertions, contract testing, composable matchers, and structural matching.

The autonomous SDLC for Claude Code that won't pass a gate on an unproven verdict.

Opinionated REST API types: errors (RFC 9457), pagination, health checks, and more. No HTTP client, no business logic — just types.

A proc macro for asserting on the structure of Rust values.

📼 Simplest high speed testing

jaunt, dont code.

pytest for AI agents - Autonomous red-teaming, behavioral monitoring & security testing for LLM agents

A mocking and stubbing library for Ruby

Package for comparing Go values in tests

AI-Agent-ready CLI framework for editing, testing, running, tracing, and diffing Excel VBA projects.

:heavy_check_mark: PHP Test Framework for Freedom, Truth, and Justice

A code-first BDD testing framework for Kotlin & Java.

Mezzio PSR-11 container configuration tests

Go testing toolkit with structured document comparison (JSON, YAML, HTML) and expressive assertions

In-process mock server for matching HTTP requests and generating responses from a pact file

The Pest Faker Plugin

Package generico para sistema de pagos/suscrpciones

Synthetic test data that hits the numbers you declare, exactly. Multi-table with verified foreign-key integrity, deterministic, no model in the data path. Python + MCP server.

Easily scale your Android Instrumentation Tests across Firebase Test Lab with Flank.

Make AI agents follow instructions reliably and prove what they did. State machine engine with evidence chains, multi-agent delegation, human gates, and auditable execution — via MCP or CLI.

A very performant virtual DOM implementation.

A simple framework for writing effective unit, component, and integration tests.

Async polyglot unit testing for Vert.x.

Accessibility testing tools monorepo — core, CLI, MCP, Playwright, Storybook, Vitest

AWS system behaviour simulation for isolated testing and local dev.

Official Node.js tunnel client for TestMu AI (Formerly LambdaTest).

PHPUnit and WordPress cross-version compatibility layer for testing plugins and themes build for WordPress

A powerful mock object library for Rust

PostgreSQL modules using the pgpm workflow for safe, testable, reversible SQL changes.