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Welcome to PRODROMUS, a very tiny XMPP client.

"Hey there, I'm PRODROMUS, a very simple XMPP messaging client, mainly reasonable as contact form replacement/supplement or support contact utility."

"Prodromus" is Latin and means as much as "express messenger", "courier". Prodromus makes use of the great Strophe.js library. It also uses jQuery.

Visit the projekt wiki for more information as well as a screencast.


The client itself only requires JavaScript and a BOSH endpoint. The endpoint has to be reachable on the same domain as PRODROMUS was accessed due to JavaScript cross-domain restrictions. The simplest way is to set up a reverse proxy with Apache's mod_proxy - see the contents/example.htaccess example file.

Another requirement is a XMPP server with SASL anonymous enabled.


  1. Download PRODROMUS.
  2. Copy the files to your web server.
  3. Ensure a BOSH endpoint / connection manager is accessible under the same domain you access PRODROMUS. If you're using Apache you can enable mod_proxy, rename the source:contents/htaccess.sample to .htaccess and adjust the URL of your BOSH-Service. ejabberd, for example, already comes with built-in BOSH support.
  4. Open contents/prodromus.js and configure PRODROMUS to fit your needs. The following values are important: XMPP_SERVER, BOSH_SERVICE and RECEIVER. You can also configure the date format and language, currently English ("en") and German ("de") are supported.
  5. You should be ready to go. Try it by opening prodromus.html in your browser. You can integrate PRODROMUS into your website later.

Bug tracker

Bugs are tracked in the project Redmine installation:

Source code

The source code of the application can be found in a Git repository. Browse it online ( or

git clone


Raphael Kallensee


Copyright 2011-2012 Raphael Kallensee.


This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see


Prodromus is a very simple XMPP messaging client written in JavaScript.



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