HTTP

Vovsoft Batch URL Downloader is one of the simplest applications of its kind, so it can prove to be a good alternative to overly-complex download managers.

Vovsoft HTTP Requester is a simple but powerful tool designed to streamline the process of sending batch HTTP requests and receiving responses.

HTTP Toolkit is a beautiful & open-source tool for debugging, testing and building with HTTP(S) on Windows, Linux & Mac.

HTTP/2 web server with automatic HTTPS

HttpMaster is a professional testing tool for HTTP applications, with special focus on RESTful web services and web API applications.

Network diagnostics tools for pinging, scanning, and analyzing hosts

Standalone ProxyKit CLI and headless MITM proxy engine

Hurl is a command line tool that runs HTTP requests defined in a simple plain text format.

purerequest - a keyboard-driven, file-based desktop HTTP client

Simple HTTP(s) Server

专业的文件下载与分享工具(BitTorrent/HTTP/FTP)

Vovsoft Proxy Checker is a powerful tool designed to validate and manage your proxy server lists with ease.

Vovsoft Proxy Server is an easily manageable proxy server for Windows. This straightforward tool supports both HTTP and SOCKS protocols, allowing you to enhance privacy, access geo-blocked content, and test applications effortlessly.

Vovsoft Proxy Switcher is a simple local proxy server that automatically forwards your traffic through multiple upstream proxies.

Free, open source, git-native API client. A local-first Postman alternative with a built-in MCP server.

Speedy, no-fuss serving of directories on a localhost webserver.

Restfox

MITM HTTP debugging proxy for intercepting and altering HTTP/1.1, H2, and WebSocket traffic

SFTPGo is a full-featured and highly configurable SFTP, HTTP/S, FTP/S and WebDAV server. It can serve local filesystem, S3 (compatible) Object Storage, Google Cloud Storage, Azure Blob Storage and other SFTP servers.

Scriptable local traffic workbench for HTTP, HTTPS, and WebSocket debugging

Open-source API client with a native C++ load-testing engine - Postman-style requests and k6-level load tests in one local app.

CLI tool for managing, saving, and sending HTTP requests across workspaces

A lightweight HTTP/HTTPS and DNS proxy

HttpMaster Express is a professional testing tool for HTTP applications, with special focus on RESTful web services and web API applications.

Interactive multi-protocol API browser and CLI for .NET — gRPC, REST, GraphQL, SignalR, MCP, SSE, WebSocket, MQTT, Socket.IO, OData, Surgewave, Kafka, DIS, UDP.

Uncomplicated, modern HTTP server

An open-source Postman-style API client and JMeter-style load testing desktop app.

Indexes open directories listings in 130+ supported formats, including FTP(S), Google Drive, Bhadoo, GoIndex, Go2Index (alternatives), Dropbox, Mediafire, GoFile, GitHub.

A compact Windows dashboard for monitoring HTTP endpoints and DNS resolvers.

Web Debugging Proxy Application

HTTP Sniffer, HTTP Monitor, HTTP Tracer, HTTP Debugger, HTTP/HTTPS Analyzer

现代化的 HTTP Archive (HAR) 文件管理工具