testing

microsoft/playwright

Playwright now spans test runner, CLI, and AI agent tooling — Playwright has expanded beyond its test runner and library into new entry points: a CLI for coding agents like Claude Code and Copilot, and an MCP server for LLM-driven browser automation. This makes it relevant not just for e2e testers but also developers building AI agents that need to control Chromium, Firefox, or WebKit.

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

usebruno/bruno

An offline, Git-friendly API client that skips the cloud entirely — Bruno stores API collections as plain-text files using its own Bru markup, so you can version them with Git instead of syncing to a vendor cloud. It's built for developers who want a privacy-respecting, offline alternative to Postman or Insomnia and full control over their collection data.

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

promptfoo/promptfoo

Promptfoo's LLM Evals and Red Teaming, Now Backed by OpenAI — Promptfoo is a CLI and library for evaluating and red-teaming LLM apps, agents, and RAGs, with declarative configs that plug into CI/CD. It recently became part of OpenAI while staying open source and MIT licensed, and is used by OpenAI and Anthropic to catch vulnerabilities before shipping.

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.

keploy/keploy

Turning real user traffic into API tests, automatically — Keploy records live API traffic and converts it into test cases and mocks, aiming for 90% test coverage faster than hand-written unit tests. It targets developers building API, integration, and E2E tests in AI-assisted workflows, and is listed in the CNCF landscape.

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

google/artemis

Google's new agent lets AI drive real Android phones via MCP — ARTEMIS exposes a native MCP server so IDE assistants like Antigravity, Claude Code and Windsurf can control real Android devices from plain-language instructions. It falls back from element indices to coordinates and visual locating for custom UIs, and hits 99%+ on the AndroidWorld benchmark—useful for QA engineers and agent builders automating mobile workflows.

ARTEMIS turns natural-language instructions into reliable Android automation. It automates end-to-end workflows, captures logs, and integrates seamlessly with AI coding assistants such as Antigravity, Codex, and Claude Code. It also achieves 99%+ success rate on AndroidWorld Benchmark.

Shopify/toxiproxy

Deliberately break your network to prove resilience in tests — Toxiproxy is a Go TCP proxy controlled via HTTP that lets you inject latency, downtime, and other faults into connections during testing and CI. Shopify has run it in all dev and test environments since 2014. Useful for anyone writing tests that must prove an app survives dependency failures.

:alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing

foundry-rs/foundry

Rust-based Ethereum dev toolkit with Forge, Cast, Anvil and Chisel — Foundry bundles four tools for Solidity development: Forge for building, testing and fuzzing contracts, Cast for chain queries and transactions, Anvil as a local dev node, and Chisel as a Solidity REPL. Written in Rust for speed, it suits dapp developers wanting a single, modular toolkit instead of separate utilities.

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

callstack/agent-device

A Mobile Device Feedback Loop Built for AI Coding Agents — agent-device gives coding agents like Claude Code, Codex, and Cursor a live feedback loop on iOS, Android, HarmonyOS, TV platforms, web, macOS, and Linux. Agents read token-efficient accessibility snapshots instead of screenshots, act via refs/selectors, and save evidence, with support for parallel worktrees and remote device clouds. Teams at Expensify and Shopify already use it for bug verification.

Open source device layer for AI coding agents: a CLI, MCP server, and typed Node.js API to control mobile, web, TV, and desktop apps on devices and simulators, locally or in the cloud.

k1LoW/runn

Scenario-based testing across HTTP, gRPC, DB, SSH and more — runn runs multi-protocol operations from a single runbook, combining HTTP, gRPC, DB queries, Chrome DevTools Protocol and SSH/local commands. Its `runn new` command generates runbooks directly from curl or grpcurl calls, and as a single Go binary it fits easily into CI pipelines.

runn is a package/tool for running operations following a scenario.

DanielRendox/RoutineTracker

An Android planner calendar app and a habit tracker that aims to simplify scheduling consistent activities and tracking your progress.