Termux X11 add-on application
Get free HTTPS certificates forever from Let's Encrypt
Simple http server in Rust (Windows/Mac/Linux)
A rewrite of Tachiyomi for the Desktop
A web proxy tool
Powerful, enterprise-ready, open source web server w/ automatic HTTPS
HTTP web server index for Apache httpd, lighttpd and nginx
High-performance PHP application server, process manager written in Go
REST API for any Postgres database
A powerful server and network library, including coroutine
An ASGI web server, for Python
Simple, but flexible HTTP client library, with support for backends
Indexes open directories
Server control panel to configure and manage a server
Lightweight service virtualization/ API simulation / API mocking tool
An OOB interaction gathering server and client library
Zenko CloudServer open-source Node.js implementation of S3 protocol
Pegasus.lua is an http server to work with web applications
An extensible request/response workbench
Hurl, run and test HTTP requests with plain text
HTTP checks & tests (private & public) monitoring
Bringing Http/Https and WebSockets High Performance servers for PyPy3
Sōzu HTTP reverse proxy, configurable at runtime, fast and safe
High performance proxy server implemented by golang
Advanced Subscription Manager for QX, Loon, Surge, Stash, etc.