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emailHurl, run and test HTTP requests with plain text.
Hurl is a command line tool that runs HTTP requests defined in a simple plain text format.
It can chain requests, capture values and evaluate queries on headers and body response. Hurl is very versatile: it can be used for both fetching data and testing HTTP sessions.
Hurl makes it easy to work with HTML content, REST / SOAP / GraphQL APIs, or any other XML / JSON based APIs.
Docker image that echoes request data as JSON; listens on HTTP/S, useful for debugging.
a fast, memory-safe web server written in Rust.
A fast, memory-safe web server powered by Rust
Ferron is a web server optimized for speed, security, and efficiency. Written in Rust, it offers memory safety and performance, making it ideal for modern websites.
A middleware framework for JavaScript and TypeScript
oak is a middleware framework for handling HTTP requests across Deno, Node.js, Bun and Cloudflare Workers.
Header Exploitation HTTP.
HExHTTP is a tool designed to perform tests on HTTP headers and analyze the results to identify vulnerabilities and interesting behaviors.
Related contents:
HExHTTP : Le Couteau Suisse du Hack HTTP ! 
AmphiPod is a lightweight, HTTP-based Model Context Protocol (MCP) server implementation written in Go. It simplifies the integration of AI tools by providing an HTTP interface to the MCP specification and executing tools through WebAssembly plugins.
A humble, and 𝗳𝗮𝘀𝘁, security-oriented HTTP headers analyzer.
Elegant HTTP Networking in Swift.
Alamofire is an HTTP networking library written in Swift.
Lightweight modern Python library to add security headers (CSP, HSTS, etc.) to Django, Flask, FastAPI, and more. Secure defaults or fully customizable.
redirection.io is a complete suite for optimizing your website traffic,
user experience and SEO efficiency.
Log all your HTTP traffic, detect and fix errors in minutes. The perfect toolkit for SEO companies, marketing managers, CTOs or IT teams.
A file server that supports static serving, uploading, searching, accessing control, webdav...
Source: Dufs - Le serveur de fichiers minimaliste qui simplifie tout @ Korben 
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A lightweight, idiomatic and composable router for building Go HTTP services.
chi is a lightweight, idiomatic and composable router for building Go HTTP services. It's especially good at helping you write large REST API services that are kept maintainable as your project grows and changes. chi is built on the new context package introduced in Go 1.7 to handle signaling, cancelation and request-scoped values across a handler chain.
Seamless multi-master sync, that scales from Big Data to Mobile, with an Intuitive HTTP/JSON API and designed for Reliability.
CouchDB is a database that completely embraces the web. Store your data with JSON documents. Access your documents with your web browser, via HTTP. Query, combine, and transform your documents with JavaScript. CouchDB works well with modern web and mobile apps. You can distribute your data, efficiently using CouchDB’s incremental replication. CouchDB supports master-master setups with automatic conflict detection.
HTTP client for PostgreSQL, retrieve a web page from inside the database.
A lightweight HTTP library inspired by JavaScript's fetch, bringing simplicity and flexibility to PHP HTTP requests.
FetchPHP is a modern HTTP client library for PHP, built on top of the Guzzle HTTP client, designed to mimic the behavior of JavaScript’s fetch API. Leveraging Matrix for true asynchronous capabilities with PHP Fibers, FetchPHP allows developers to use a JavaScript-like async/await syntax. FetchPHP also offers a fluent API inspired by Laravel's HTTP client, making request building both flexible and readable.
Wireguard client that exposes itself as a socks5 proxy.
wireproxy is a completely userspace application that connects to a wireguard peer, and exposes a socks5/http proxy or tunnels on the machine. This can be useful if you need to connect to certain sites via a wireguard peer, but can't be bothered to setup a new network interface for whatever reasons.
next generation web framework for node.js.
Expressive HTTP middleware framework for node.js to make web applications and APIs more enjoyable to write. Koa's middleware stack flows in a stack-like manner, allowing you to perform actions downstream then filter and manipulate the response upstream.
Koa is a new web framework designed by the team behind Express, which aims to be a smaller, more expressive, and more robust foundation for web applications and APIs. By leveraging async functions, Koa allows you to ditch callbacks and greatly increase error-handling. Koa does not bundle any middleware within its core, and it provides an elegant suite of methods that make writing servers fast and enjoyable.
The modern API client that lives in your terminal. A powerful HTTP client that lives in your terminal.
Posting is an HTTP client, not unlike Postman and Insomnia. As a TUI application, it can be used over SSH and enables efficient keyboard-centric workflows. Your requests are stored locally in simple YAML files, meaning they're easy to read and version control.
You can use this tool to generate a valid Permissions Policy HTTP Header, which can be provided by your web server / web application in order to improve the security of your visitors and the data they may be accessing on your site.
A flexible tool for redirecting a given program's TCP traffic to SOCKS5 or HTTP proxy.
graftcp can redirect the TCP connection made by the given program [application, script, shell, etc.] to SOCKS5 or HTTP proxy.