Repository Index

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

• api
• api-client
• api-rest
• pwa

Write scalable load tests in plain Python 🚗💨

• locust
• python
• load-testing
• performance-testing

🛠️⚡ Step-by-step tutorial to build a modern JavaScript stack.

• tutorial
• stack
• javascript
• react

Deploy headless browsers in Docker. Run on our cloud or bring your own. Free for non-commercial uses.

• docker
• chrome
• puppeteer
• browserless

The all-in-one, open-source backend platform for agentic coding. InsForge gives your coding agent database, auth, storage, compute, hosting, and AI gateway to ship full-stack apps end-to-end.

• ai
• ai-agents
• coding
• oauth2

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.

• serverless
• load
• api
• playwright

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

End-to-end HTTP and REST API testing for Go.

• http
• rest
• json
• websocket

Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.

• api
• golang
• grpc
• rest

🔭 Powerful tool for testing WebHooks and more

• webhook
• tests
• golang
• push-notifications

WebTau (web test automation) is a testing API, command line tool and a framework to write unit, integration and end-to-end tests. Test across REST-API, WebSocket, GraphQL, Browser, Database, CLI and Business Logic with a consistent set of matchers and concepts. REPL mode speeds-up tests development. Rich reporting cuts down investigation time.

• testing
• test-framework
• rest-api
• selenium

a socket mock framework - for all kinds of socket animals, web-clients included

• python
• testing
• mock
• socket

Out-of-the-box E2E relay server (relay-e2e/v1) for Cloudflare Workers — one-command deploy. Reference agent & client included. Distilled from Alma with permission.

• cloudflare-workers
• durable-objects
• e2e-encryption
• pake

High-performance, multi-protocol mock server. HTTP, WebSocket, gRPC, MQTT, SSE, GraphQL, SOAP in one binary.

• api-mocking
• cli
• developer-tools
• golang

HTTP Service Performance & Load Testing Framework

• load-testing
• http
• websocket
• performance

go websocket client for unit testing of a websocket handler

• go
• websocket
• test
• gorilla

A DDP client with GUI (The Postman for Meteor)

• meteor
• postman
• ddp-client
• gui

Apache JMeter Plugin to convert a HAR file to a JMeter script and Record XML file

• convertor
• har
• jmeter
• jmeter-plugin

Stream-first CAN & J1939 toolkit for security research and AI agents — typed JSONL events, CLI, TUI, fuzzing, MCP server.

• automotive-security
• can-bus
• can-bus-hacking
• can-bus-security