Hubbub is an HTML5 compliant parsing library, written in C, which can parse both valid and invalid web content. It is developed as part of the NetSurf project.

serf is a C-based HTTP client library built upon the Apache Portable Runtime (APR) library. It multiplexes connections, running the read/write communication asynchronously. Memory copies and transformations are kept to a minimum to provide high performance operation.

The openZIM project proposes offline storage solutions for content coming from the Web. The zimlib is the standard implementation of the ZIM specification. It is a library which implements the read and write method for ZIM files.

HTTP::Server::Simple is a simple standalone HTTP daemon with no non-core module dependencies. It can be used for building a standalone http-based UI to your existing tools.

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

libjuice opens bidirectionnal User Datagram Protocol (UDP) streams with Network Address Translator (NAT) traversal. It's a simplified implementation of the Interactive Connectivity Establishment (ICE) protocol, client-side and server-side, written in C without dependencies for POSIX platforms.

SassC is a compiler written in C for the CSS pre-processor language known as SASS.

The HTML::Tagset module contains several data tables useful in various kinds of HTML parsing operations.

CivetWeb is a web server with optional CGI and SSL support. It can be embedded into C/C++ applications or used as a standalone web server.

Varnish is a high-performance HTTP accelerator. It acts as a caching reverse proxy and load balancer. You install it in front of any server that speaks HTTP and configure it to cache the contents through an extensive configuration language.

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

WebSocket++ is a C++ library that can be used to implement WebSocket functionality. The goals of the project are to provide a WebSocket implementation that is simple, portable, flexible, lightweight, low level, and high performance.

MonsterID is a method to generate a unique monster image based upon a certain identifier (IP address, email address, whatever). It can be used to automatically provide personal avatar images in blog comments or other community services.

PSGI is a specification to decouple web server environments from web application framework code. Test::WWW::Mechanize is a subclass of WWW::Mechanize that incorporates features for web application testing. The Test::WWW::Mechanize::PSGI module meshes the two to allow easy testing of PSGI applications.

Libnsbmp is a decoding library for BMP and ICO image file formats, written in C. It is developed as part of the NetSurf project.

This is a Perl extension for using GSSAPI C bindings as described in RFC 2744.

The libwww-perl collection is a set of Perl modules which provides a simple and consistent application programming interface to the World-Wide Web. The main focus of the library is to provide classes and functions that allow you to write WWW clients. The library also contains modules that are of more general use and even classes that help you implement simple HTTP servers.

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 server artifact.

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.

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.

This module allows your to run your Plack::Test tests against an external server instead of just against a local application through either mocked HTTP or a locally spawned server.

liboauth is a collection of C functions implementing the OAuth API. liboauth provides functions to escape and encode strings according to OAuth specifications and offers high-level functionality built on top to sign requests or verify signatures using either NSS or OpenSSL for calculating the hash/signatures.

This package provides Lexbor, a high-performance, lightweight HTML/CSS engine implemented entirely in C99 with no external dependencies. It's primarily usage is intended for projects that need to process web content, but don't require a full browser environment.

This module provides a protocol-independent way to use IPv4 and IPv6 sockets, intended as a replacement for IO::Socket::INET.