The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.
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MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
- mock-server
- proxy
- java-client
- javascript-client
Fortio load testing library, command line tool, advanced echo server and web UI in go (golang). Allows to specify a set query-per-second load and record latency histograms and other useful stats.
- golang
- golang-library
- golang-application
- performance
Catch API bugs before your users do
Simple gRPC benchmarking and load testing tool
- grpc
- hacktoberfest
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
Performance monitoring and benchmarking suite
- likwid
- hardware-performance-counters
- threading
- x86
Automated API Testing and Quality Assurance
Testing layer for Microsoft's HttpClient library. Create canned responses using a fluent API.
Edit and replay captured network traffic at arbitrary speeds — a suite of pcap tools for *NIX and Windows.
- tcpreplay
- pcap
- netmap
- c
An Extensible Request/Response Workbench
🚀 tRPC starter repo with E2E-testing
- nextjs
- starter
- trpc
- typescript
Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.
Task management system based on .NET 8 with Microservices, DDD, CQRS, Event Sourcing and Testing Concepts
PHP Censor is an open source self-hosted continuous integration server for PHP projects.
- php
- continuous-integration
- ci
- php-censor
Suricata, Snort and Zeek IDS rule and pcap testing system
Tester: enjoyable unit testing in PHP with code coverage reporter. 🍏🍏🍎🍏
- nette
- nette-framework
- tester
- unit-testing
Scriptable, multipurpose mock server. Run standalone mock servers, or embed mocks within your tests or CI/CD pipeline.
Property based Testing for Elixir (based upon PropEr)
- propcheck
- elixir
- property-based-testing
- proper
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
Common Lisp regression testing framework
High-performance, multi-protocol mock server. HTTP, WebSocket, gRPC, MQTT, SSE, GraphQL, SOAP in one binary.
- api-mocking
- cli
- developer-tools
- golang
A library for setting up Java objects as test data.
- testing
- test-automation
- fixtures
- faker