Light, fluffy, and always free - The AWS Local Emulator alternative
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Write scalable load tests in plain Python 🚗💨
- locust
- python
- load-testing
- performance-testing
:alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing
- resiliency
- tcp-proxy
- go
- proxy
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
Mimesis is a Python library for generating fake but realistic data in multiple languages and locales.
- mimesis
- fake
- data
- generator
🚦 Your own mini Travis CI to run tests locally
Performance monitoring and benchmarking suite
- likwid
- hardware-performance-counters
- threading
- x86
Use docker/podman, compose local and remote via a FluentAPI
Flexible production-grade boilerplate with Next.js 11, Vercel and TypeScript. Includes multiple opt-in presets using Storybook, Airtable, GraphQL, Analytics, CSS-in-JS, Monitoring, End-to-end testing, Internationalization, CI/CD and SaaS B2B multi single-tenancy (monorepo) support
- typescript
- typescript-boilerplate
- zeit-now
- isomorphic-react
Free, open-source AWS emulator. LocalStack alternative: 107 services, 7,657 operations, true 100% Smithy conformance (258,545/258,545 variants pass). No account, no auth token, no paid tier.
a fake clock for golang
Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.
The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines
- json
- json-schema
- jsonschema
- openapi
recheck for web apps – change comparison tool with local Golden Masters, Git-like ignore syntax and "Unbreakable Selenium" tests.
- selenium-java
- regression
- testing-tools
- test-automation
Playwright PHP library for browser automation: navigation, E2E tests, assertions, screenshots, and so much more!
- browser
- browser-automation
- php
- php-browser
Hardware testing for the software world. Real or virtual, local or remote, human, automated or agentic.
- hardware
- hardware-in-the-loop
- hil
- testing-framework
:heavy_check_mark: Run tests for multiple versions of Node.js in local env.
- test
- travis
- circleci
Feel how fast a local LLM runs before you buy the hardware
A thoughtfully designed template for building modern Rails apps. Get started in minutes instead of hours 🔥🚀
- ruby
- rails
- ruby-on-rails
- figaro
Go Wrapper for using localstack
- localstack
- go
- golang
- testing
A super simple utility for testing Apache Hive scripts locally for non-Java developers.
:exclamation:Basic Assertion Library used along side native go testing, with building blocks for custom assertions
A Mocha test driver package for Meteor 1.3+. This package reports server AND client test results in the server console and can be used for running tests on a CI server or locally.
Mock window global in tests with test-friendly replacements for location, alert/confirm/prompt/ and more.