License: Artistic-2.0

Language: Perl

Mojolicious Build Status

Back in the early days of the web, many people learned Perl because of a wonderful Perl library called CGI. It was simple enough to get started without knowing much about the language and powerful enough to keep you going, learning by doing was much fun. While most of the techniques used are outdated now, the idea behind it is not. Mojolicious is a new attempt at implementing this idea using state of the art technology.


  • An amazing real-time web framework, allowing you to easily grow single file prototypes into well-structured web applications.
    • Powerful out of the box with RESTful routes, plugins, commands, Perl-ish templates, content negotiation, session management, form validation, testing framework, static file server, first class Unicode support and much more for you to discover.
  • Very clean, portable and Object Oriented pure-Perl API with no hidden magic and no requirements besides Perl 5.18.0 (versions as old as 5.10.1 can be used too, but may require additional CPAN modules to be installed)
  • Full stack HTTP and WebSocket client/server implementation with IPv6, TLS, SNI, IDNA, HTTP/SOCKS5 proxy, Comet (long polling), keep-alive, connection pooling, timeout, cookie, multipart, and gzip compression support.
  • Built-in non-blocking I/O web server, supporting multiple event loops as well as optional preforking and hot deployment, perfect for embedding.
  • Automatic CGI and PSGI detection.
  • JSON and HTML/XML parser with CSS selector support.
  • Fresh code based upon years of experience developing Catalyst.


All you need is a one-liner, it takes less than a minute.

$ curl -L cpanmin.us | perl - -n Mojolicious

And if you already have cpanm installed with a secure toolchain.

$ cpanm --mirror https://cpan.metacpan.org --mirror-only --verify -n Mojolicious

We recommend the use of a Perlbrew environment.

Getting Started

These three lines are a whole web application.

use Mojolicious::Lite;

get '/' => {text => 'I ♥ Mojolicious!'};


To run this example with the built-in development web server just put the code into a file and start it with morbo.

$ morbo hello.pl
Server available at

$ curl
I ♥ Mojolicious!

Duct tape for the HTML5 web

Use all the latest Perl and HTML features in beautiful single file prototypes like this one, and grow them easily into well-structured applications.

use Mojolicious::Lite;
use 5.20.0;
use experimental 'signatures';

# Render template "index.html.ep" from the DATA section
get '/' => {template => 'index'};

# WebSocket service used by the template to extract the title from a web site
websocket '/title' => sub ($c) {
  $c->on(message => sub ($c, $msg) {
    my $title = $c->ua->get($msg)->res->dom->at('title')->text;


@@ index.html.ep
% my $url = url_for 'title';
  var ws = new WebSocket('<%= $url->to_abs %>');
  ws.onmessage = function (event) { document.body.innerHTML += event.data };
  ws.onopen    = function (event) { ws.send('http://mojolicio.us') };

Want to know more?

Take a look at our excellent documentation!

Project Statistics

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Repository Size 16.6 MB
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Top Contributors See all

Sebastian Riedel Marcus Ramberg Abhijit Menon-Sen Viacheslav Tykhanovskyi Mark Stosberg Yuki Kimoto Joel Berger Pascal Gaudette Graham Barr Nils Diewald Kenichi Ishigaki Pedro Melo Ask Bjørn Hansen fukai Yaroslav Korshak Alex Valuyskiy Rafał Pocztarski Glen Hinkle Jan Henning Thorsen Maxim Vuets

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