1.floci-io / floci
Light, fluffy, and always free - The AWS Local Emulator alternative
+1,558 stars
from 27,190 · score 7.35
Trending repositories
Ranked by Attention Score: stars gained over the last 7 complete days
1–100 of 138 by Attention Score · Oct 28, 2026 – Nov 3, 2026 (UTC)
2.N4darae / shrt
A contract-driven gRPC regression harness for AI coding agents, with human-approved baselines. Snapshot the valid call chains of an API so an agent can look one up instead of tracing for it. gRPC today, OpenAPI next
+413 stars
from 1,697 · score 6.03
3.jo-duchan / tapflow
Self-hosted iOS & Android simulator streaming for the whole team
- appetize-alternative
- android
- ios
- react-native
- android-emulator
- app-testing
- +14 more
+239 stars
from 1,340 · score 5.48
4.arjaythedev / twelve-dollar-server-challenge
Implement one small API on SQLite in any language; we benchmark it on a $12 server (1 vCPU, 2 GB)
+139 stars
from 499 · score 4.94
5.open-wxa / wxa-runner
TranslatedRun mini programs in the browser using WeChat's official base library, with support for Chrome DevTools debugging and Playwright E2E testing
- e2e-testing
- mini-program
- miniprogram
- playwright
- simulator
- taro
- +4 more
+123 stars
from 617 · score 4.82
6.lingquan11 / cpp-matmul-performance
TranslatedC++ matrix multiplication performance experiments: from triple loops to blocking optimization and systolic arrays — an undergraduate introductory showcase project in the AI chip (NPU) direction
+123 stars
from 1 · score 4.82
7.KnifeLemon / Droidline
Android automation from code. Test your apps on real phones, script the tasks you repeat, run a shelf of phones, or let an AI agent use one, from Python, Node.js, the CLI, HTTP or Appium clients. No ADB, no USB cable, no root.
+102 stars
from 347 · score 4.63
8.web-infra-dev / midscene
See interfaces like a human. E2E testing in natural language.
- testing
- browser-use
- computer-use
- gpt-operator
- javascript
- phone-use
- +2 more
+79 stars
from 15,412 · score 4.38
9.axllent / mailpit
An email and SMTP testing tool with API for developers
- email-testing
- go
- golang
- smtp-server
- smtp-relay
- smtp-testing
- +2 more
+52 stars
from 10,772 · score 3.97
10.vitest-dev / vitest
Next generation testing framework powered by Vite.
+38 stars
from 17,291 · score 3.66
11.seleniumbase / SeleniumBase
📊 APIs for Web Scraping, Browser Automation, and E2E Testing. CDP Mode & Stealthy Playwright Mode bypass bot-detection/CAPTCHAs.
- python
- selenium-python
- e2e-testing
- seleniumbase
- web-automation
- pytest
- +10 more
+35 stars
from 13,188 · score 3.58
+28 stars
from 16,954 · score 3.37
13.schemathesis / schemathesis
Catch API bugs before your users do
- hypothesis
- pytest
- swagger
- cli
- property-based-testing
- graphql
- +6 more
+24 stars
from 3,715 · score 3.22
14.pytest-dev / pytest
The pytest framework makes it easy to write small tests, yet scales to support complex functional testing
- unit-testing
- test
- testing
- python
- hacktoberfest
+18 stars
from 14,646 · score 2.94
15.Shopify / toxiproxy
:alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing
+17 stars
from 12,468 · score 2.89
16.locustio / locust
Write scalable load tests in plain Python 🚗💨
- locust
- python
- load-testing
- performance-testing
- http
- benchmarking
- +5 more
+15 stars
from 28,244 · score 2.77
17.mswjs / msw
The industry standard for API mocking in JavaScript.
+15 stars
from 18,315 · score 2.77
+15 stars
from 5,433 · score 2.77
19.joke2k / faker
Faker is a Python package that generates fake data for you.
+13 stars
from 19,466 · score 2.64
20.hatoo / oha
TranslatedOhayou (おはよう, "good morning"), HTTP load generator, inspired by rakyll/hey with tui animation.
- rust
- load-testing
- benchmark
- http
- load-generator
- command-line
- +3 more
+12 stars
from 10,643 · score 2.56
21.tsenart / vegeta
HTTP load testing tool and library. It's over 9000!
+8 stars
from 25,231 · score 2.20
22.webdriverio / webdriverio
Next-gen browser and mobile automation test framework for Node.js
- javascript
- webdriverio
- webdriver
- node
- test
- automation
- +6 more
+8 stars
from 9,861 · score 2.20
23.techinz / browsers-benchmark
Browser automation engine benchmark - Test bypass rates, performance & stealth against Cloudflare, DataDome, reCAPTCHA, Kasada, Imperva, Akamai, PerimeterX and other bot detection systems. Find the best browser for scraping.
- anti-detect
- antidetect-browser
- automation
- browser
- captcha
- patchright
- +4 more
+8 stars
from 409 · score 2.20
24.pestphp / pest
The elegant testing framework for PHP developers and AI agents.
- php
- testing
- pest
- framework
+7 stars
from 11,749 · score 2.08
+7 stars
from 6,332 · score 2.08
26.vitalets / playwright-bdd
BDD testing with Playwright runner
- automated-testing
- bdd
- cucumber
- gherkin
- playwright
- testing
+7 stars
from 817 · score 2.08
27.nicorobinreal / llmspeed
Feel how fast a local LLM runs before you buy the hardware
+7 stars
from 161 · score 2.08
28.stretchr / testify
A toolkit with common assertions and mocks that plays nicely with the standard library
+6 stars
from 26,236 · score 1.95
29.dotnet / BenchmarkDotNet
Powerful .NET library for benchmarking
- benchmark
- benchmarking
- c-sharp
- dotnet
- performance
- csharp
- +1 more
+6 stars
from 11,521 · score 1.95
30.mockoon / mockoon
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
+6 stars
from 8,462 · score 1.95
31.Blazity / next-enterprise
💼 An enterprise-grade Next.js boilerplate for high-performance, maintainable apps. Packed with features like Tailwind CSS, TypeScript, ESLint, Prettier, testing tools, and more to accelerate your development.
+6 stars
from 7,464 · score 1.95
32.brianvoe / gofakeit
Random fake data generator written in go
- go
- data
- generator
- random
- fake
- golang
- +1 more
+6 stars
from 5,407 · score 1.95
33.godot-gdunit-labs / gdUnit4
Embedded unit testing framework for Godot 4 supporting GDScript and C#. Features test-driven development, embedded test inspector, extensive assertions, mocking, scene testing.
- test-automation
- testing
- testing-tools
- unit-test
- unittest
- unittest-framework
- +6 more
+6 stars
from 1,281 · score 1.95
34.testing-library / react-testing-library
🐐 Simple and complete React DOM testing utilities that encourage good testing practices.
+5 stars
from 19,673 · score 1.79
35.garris / BackstopJS
Catch CSS curve balls.
- javascript
- screen-capture
- chrome-headless
- backstopjs
- visual-regression-tests
+5 stars
from 7,190 · score 1.79
36.sqlancer / sqlancer
Automated testing to find logic and performance bugs in database systems
+5 stars
from 1,766 · score 1.79
37.mccutchen / go-httpbin
A reasonably complete and well-tested golang port of httpbin, with zero dependencies outside the go stdlib.
+5 stars
from 888 · score 1.79
38.assetnote / h3fuzz
Content discovery and fuzzing with HTTP/3 support (100k requests per second)
+5 stars
from 133 · score 1.79
39.avajs / ava
Node.js test runner that lets you develop with confidence 🚀
- test-runner
- ava
- javascript
- concurrency
- async-functions
- tap
- +12 more
+4 stars
from 20,824 · score 1.61
40.forwardemail / supertest
🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API. Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.
- supertest
- superagent
- assertions
- node
+4 stars
from 14,406 · score 1.61
41.wix / Detox
Gray box end-to-end testing and automation framework for mobile apps
- e2e-tests
- ios
- react-native
- android
- testing
- javascript
- +5 more
+4 stars
from 12,047 · score 1.61
42.karatelabs / karate
Test Automation Made Simple
- test-automation
- assertions
- testing-tools
- mock-server
- automated-testing
- webdriver
- +10 more
+4 stars
from 9,000 · score 1.61
43.ai / size-limit
Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.
+4 stars
from 7,039 · score 1.61
44.codesenberg / bombardier
Fast cross-platform HTTP benchmarking tool written in Go
- fast
- http
- cli
- benchmarking
- bombardier
- go
- +6 more
+4 stars
from 6,846 · score 1.61
45.pointfreeco / swift-snapshot-testing
📸 Delightful Swift snapshot testing.
- swift
- testing
- snapshot-testing
- screenshot-testing
+4 stars
from 4,385 · score 1.61
46.codeceptjs / CodeceptJS
Supercharged End 2 End Testing Framework for NodeJS
- codeceptjs
- webdriverio
- selenium-webdriver
- acceptance-testing
- end-to-end-testing
- nodejs
- +11 more
+4 stars
from 4,246 · score 1.61
47.microsoft / restler-fuzzer
RESTler is the first stateful REST API fuzzing tool for automatically testing cloud services through their REST APIs and finding security and reliability bugs in these services.
+4 stars
from 2,960 · score 1.61
+4 stars
from 2,687 · score 1.61
49.currents-dev / playwright-best-practices-skill
AI Skill for Playwright Best Practices—made by Currents.dev
- ai
- ai-skill
- ai-skills
- playwright
- playwright-typescript
+4 stars
from 412 · score 1.61
50.ai-dashboad / flutter-skill
AI-powered E2E testing for 10 platforms. 253 MCP tools. Zero config. Works with Claude, Cursor, Windsurf, Copilot. Test Flutter, React Native, iOS, Android, Web, Electron, Tauri, KMP, .NET MAUI — all from natural language.
- ai
- android
- automation
- claude
- cursor
- e2e-testing
- +14 more
+4 stars
from 396 · score 1.61
+3 stars
from 16,197 · score 1.39
52.react-cosmos / react-cosmos
Sandbox for developing and testing UI components in isolation
+3 stars
from 8,691 · score 1.39
53.coverlet-coverage / coverlet
Cross platform code coverage for .NET
- code-coverage
- dotnet-core
- unittest
- coverage
- cross-platform
- coverage-library
- +4 more
+3 stars
from 3,178 · score 1.39
+3 stars
from 2,515 · score 1.39
55.litestar-org / polyfactory
Simple and powerful factories for mock data generation
- pydantic
- python
- dataclasses
- starlite
- hacktoberfest
- typeddict
- +6 more
+3 stars
from 1,518 · score 1.39
56.bUnit-dev / bUnit
bUnit is a testing library for Blazor components that make tests look, feel, and runs like regular unit tests. bUnit makes it easy to render and control a component under test’s life-cycle, pass parameter and inject services into it, trigger event handlers, and verify the rendered markup from the component using a built-in semantic HTML comparer.
- razor-components
- unit-testing
- blazor
- blazor-components
- xunit
- nunit
- +8 more
+3 stars
from 1,307 · score 1.39
57.reg-viz / reg-suit
:recycle: Visual Regression Testing tool
- visual-tests
- nodejs
- regression-testing
- automation-tests
- reg-suit
+3 stars
from 1,303 · score 1.39
58.arch-go / arch-go
Architecture checks for Go projects
- architecture
- go
- golang
- quality
- testing
- testing-automation
- +2 more
+3 stars
from 280 · score 1.39
59.cypress-io / cypress
Fast, easy and reliable testing for anything that runs in a browser.
- cypress
- end-to-end-testing
- angular-testing-library
- component-testing
- cypress-cloud
- cypress-schematic
- +7 more
+2 stars
from 51,015 · score 1.10
60.jestjs / jest
Delightful JavaScript Testing.
- javascript
- testing
- painless-javascript-testing
- immersive
- painless
- +3 more
+2 stars
from 45,468 · score 1.10
+2 stars
from 11,950 · score 1.10
62.faker-ruby / faker
A library for generating fake data such as names, addresses, and phone numbers.
- fake
- ruby
+2 stars
from 11,946 · score 1.10
+2 stars
from 6,412 · score 1.10
+2 stars
from 5,274 · score 1.10
+2 stars
from 5,211 · score 1.10
66.testcontainers / testcontainers-go
Testcontainers for Go is a Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.
- testing
- docker
- automation
- golang
- go
- testcontainers-go
- +2 more
+2 stars
from 5,018 · score 1.10
67.lk-geimfari / mimesis
Mimesis is a Python library for generating fake but realistic data in multiple languages and locales.
- mimesis
- fake
- data
- generator
- fixtures
- dummy
- +14 more
+2 stars
from 4,863 · score 1.10
68.testcontainers / testcontainers-dotnet
A library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions.
- automation
- dotnet
- docker
- testcontainers
- hacktoberfest
- testcontainers-dotnet
- +1 more
+2 stars
from 4,371 · score 1.10
69.power-assert-js / power-assert
Power Assert in JavaScript. Provides descriptive assertion messages through standard assert interface. No API is the best API.
- power-assert
- assert
+2 stars
from 2,805 · score 1.10
70.testcontainers / testcontainers-node
Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
+2 stars
from 2,632 · score 1.10
71.matryer / moq
Interface mocking tool for go generate
+2 stars
from 2,204 · score 1.10
72.beam-community / ex_machina
Create test data for Elixir applications
- elixir
- testing
- factory-definitions
- factories
+2 stars
from 2,063 · score 1.10
73.martinus / nanobench
Simple, fast, accurate single-header microbenchmarking functionality for C++11/14/17/20
- benchmark
- cpp
- microbenchmark
- single-header
- single-header-lib
- single-file
- +2 more
+2 stars
from 1,749 · score 1.10
74.phpstan / phpdoc-parser
Next-gen phpDoc parser with support for intersection types and generics
- phpstan
- static-analysis
- php
- php7
- testing
- static-code-analysis
- +2 more
+2 stars
from 1,539 · score 1.10
75.TrilonIO / aspnetcore-angular-universal
ASP.NET Core & Angular Universal advanced starter - PWA w/ server-side rendering for SEO, Bootstrap, i18n internationalization, TypeScript, unit testing, WebAPI REST setup, SignalR, Swagger docs, and more! By @TrilonIO
- angular
- universal
- ngrx
- hmr
- aspnetcore
- aspnet
- +7 more
+2 stars
from 1,444 · score 1.10
76.online-judge-tools / oj
Tools for various online judges. Downloading sample cases, generating additional test cases, testing your code, and submitting it.
- competitive-programming
- automation
- scraping
- atcoder
- codeforces
- programming-contests
- +1 more
+2 stars
from 1,174 · score 1.10
77.maxbrunsfeld / counterfeiter
A tool for generating self-contained, type-safe test doubles in go
+2 stars
from 1,145 · score 1.10
+2 stars
from 1,043 · score 1.10
79.zenstruck / foundry
A model factory library for creating expressive, auto-completable, on-demand dev/test fixtures with Symfony and Doctrine.
+2 stars
from 802 · score 1.10
80.tarampampam / webhook-tester
🔭 Powerful tool for testing WebHooks and more
+2 stars
from 550 · score 1.10
81.testdino-hq / playwright-skill
TestDino Playwright Skill: AI-powered guides for Playwright best practices, made by testdino.com.
- ai
- ai-skills
- antigravity-skills
- claude-skills
- codex-skills
- cursor-skills
- +7 more
+2 stars
from 405 · score 1.10
82.gsmith257-cyber / GraphCrawlerArchived
GraphQL automated security testing toolkit
- api
- automated-testing
- cybersecurity
- graphql
- graphql-api
- pentesting
- +2 more
+2 stars
from 333 · score 1.10
83.playwright-php / playwright
Playwright PHP library for browser automation: navigation, E2E tests, assertions, screenshots, and so much more!
- browser
- browser-automation
- php
- php-browser
- phpunit
- playwright
- +7 more
+2 stars
from 253 · score 1.10
84.dfed / SafeDI
Compile-time-safe dependency injection for Swift without the boilerplate
- dependency-injection
- swift
- inversion-of-control
- ios
- xcode
- code-generation
- +1 more
+2 stars
from 198 · score 1.10
85.omar2535 / GraphQLer
🔍A cutting edge context aware GraphQL API fuzzing tool!
- api-testing-framework
- graphql
- api
- automated-testing
- cybersecurity
- pentesting
- +3 more
+2 stars
from 173 · score 1.10
86.nock / nock
HTTP server mocking and expectations library for Node.js
+1 stars
from 13,134 · score 0.69
87.ixartz / Next-js-Boilerplate
🚀🎉📚 Nextjs Boilerplate and Starter with App Router and Page Router support, Tailwind CSS 4 and TypeScript ⚡️ Made with developer experience first: Next.js 16 + TypeScript + ESLint + Prettier + Drizzle ORM + Husky + Lint-Staged + Vitest + Testing Library + Playwright + Storybook + Commitlint + VSCode + Sentry + PostCSS + Tailwind CSS ✨
- nextjs
- next-theme
- next-js
- starter-kit
- starter-template
- starter-project
- +14 more
+1 stars
from 13,091 · score 0.69
88.testcontainers / testcontainers-java
Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
- java
- docker
- docker-compose
- junit
- test-automation
- jvm
- +3 more
+1 stars
from 8,758 · score 0.69
89.thoughtbot / factory_bot
A library for setting up Ruby objects as test data.
- factory-girl
- ruby
- thoughtbot
- rubygems
- testing
- fixtures
- +3 more
+1 stars
from 8,166 · score 0.69
90.doctest / doctest
The fastest feature-rich C++11/14/17/20/23 single-header testing framework
- c-plus-plus
- doctest
- tdd
- testing
- unit-testing
- header-only
- +8 more
+1 stars
from 6,901 · score 0.69
91.tape-testing / tape
tap-producing test harness for node and browsers
+1 stars
from 5,797 · score 0.69
92.assaf / zombieArchived
Insanely fast, full-stack, headless browser testing using node.js
+1 stars
from 5,622 · score 0.69
93.ardatan / graphql-tools
:wrench: Utility library for GraphQL to build, stitch and mock GraphQL schemas in the SDL-first approach
+1 stars
from 5,432 · score 0.69
94.AliSoftware / OHHTTPStubs
Stub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!
+1 stars
from 5,065 · score 0.69
95.bblimke / webmock
Library for stubbing and setting expectations on HTTP requests in Ruby.
+1 stars
from 4,052 · score 0.69
96.tox-dev / tox
Command line driven CI frontend and development task automation tool.
- testing
- python
- virtualenv
- continuous-integration
- cli
- automation
- +2 more
+1 stars
from 3,976 · score 0.69
97.alibaba / macaca
TranslatedAutomation solution for multi-platform.
- automation
- testing
- uitest
- android
- ios
- hybrid-apps
- +1 more
+1 stars
from 3,181 · score 0.69
+1 stars
from 2,837 · score 0.69
+1 stars
from 2,822 · score 0.69
100.APIs-guru / graphql-faker
🎲 Mock or extend your GraphQL API with faked data. No coding required.
+1 stars
from 2,712 · score 0.69