This module implements HTML::TreeBuilder::XPath for HTML::TreeBuilder, making it easy to parse documents using XPath.

Perl module Web::Scraper is a toolkit for traversing and scraping sites, inspired by Ruby's Scapi.

Monolith bundles any web page into a single HTML file.

Unlike conventional ``Save page as…'', Monolith not only saves the target document, it embeds CSS, image, and JavaScript assets all at once, producing a single HTML5 document.

If compared to saving websites with wget -mpk, Monolith embeds all assets as data URLs and therefore displays the saved page exactly the same, being completely separated from the Internet.

Apache Tomcat is a free implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies.

Hitch is a performant TLS proxy based on libev. It terminates SSL/TLS connections and forwards the unencrypted traffic to a backend such as a web server. It is designed to handle many thousand connections on multicore machines.

Surfraw (Shell Users' Revolutionary Front Rage Against the Web) provides a unix command line interface to a variety of popular www search engines and similar services.

LibNSFB is a framebuffer abstraction library, written in C. It is developed as part of the NetSurf project and is intended to be suitable for use in other projects too.

The overall idea of the library is to provide a generic abstraction to a linear section of memory which corresponds to a visible array of pixel elements on a display device. Different colour depths are supported and the library provides routines for tasks such as drawing onto the framebuffer and rectangle copy operations.

The Jetty Web Server provides an HTTP server and Servlet container capable of serving static and dynamic content either from a standalone or embedded instantiation. This package provides the core jetty security infrastructure

darkhttpd is a simple static web server. It is standalone and does not need inetd or ucspi-tcp. It does not need any config files---you only have to specify the www root.

The LWP::MediaTypes module provides functions for handling media (also known as MIME) types and encodings. The mapping from file extensions to media types is defined by the media.types file. If the ~/.media.types file exists it is used instead.

The Finance::Quote module retries stock quotes from various internet sources, including Yahoo! Finance, Fidelity Investments, and the Australian Stock Exchange.

Binaryen is a compiler and toolchain infrastructure library for WebAssembly, written in C++. It aims to make compiling to WebAssembly easy, fast, and effective.

This module provides a convenient way to set up a CGI environment from an HTTP::Request.

This package contains helper classes for testing the Jetty Web Server.

gojq is an Go implementation and library of the jq JSON processor.

Uhttpmock is a project for mocking web service APIs which use HTTP or HTTPS. It provides a library, libuhttpmock, which implements recording and playback of HTTP request/response traces.

This NGINX module allows adding, setting, or clearing any output or input header specified.

This is an enhanced version of the standard headers module because it provides more utilities like resetting or clearing "builtin headers" like Content-Type, Content-Length, and Server.

It also allows you to specify an optional HTTP status code criteria using the -s option and an optional content type criteria using the -t option while modifying the output headers with the more_set_headers and more_clear_headers directives.

JSON-C implements a reference counting object model that allows you to easily construct JSON objects in C, output them as JSON-formatted strings and parse JSON-formatted strings back into the C representation of JSON objects. It aims to conform to RFC 7159.

This middleware allows for POST requests that pretend to be something else: by adding either a header named X-HTTP-Method-Override to the request, or a query parameter named x-tunneled-method to the URI, the client can say what method it actually meant.

FastCGI is a language-independent, scalable extension to CGI that provides high performance without the limitations of server specific APIs.

The Jetty Web Server provides an HTTP server and Servlet container capable of serving static and dynamic content either from a standalone or embedded instantiation. This package provides the core jetty servlet container.

Gophernicus is a Gopher protocol server. Its features include:

• written with security in mind;

• automatically generated Gopher menus;

• gophertags for virtually renaming directories;

• personal gopherspaces, located in ~/public_gopher/;

• virtual hosting;

• CGI support;

• output filtering and PHP support;

• charset support and conversions;

• selector rewriting;

• session tracking and statistics;

• TLS/SSL and proxy support.

HTML::TableExtract is a Perl module for extracting the content contained in tables within an HTML document, either as text or encoded element trees.

Ulfius is a HTTP Framework library for REST Applications written in C. It is based on GNU libmicrohttpd for the backend web server, Jansson for the JSON manipulation library, and libcurl for the http/smtp client API. It can be used to facilitate creation of web applications in C programs with a small memory footprint, as in embedded systems applications. It can create webservices in HTTP or HTTPS mode, stream data, or implement server websockets.