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📅 Simple alternative to Doodle pools and scheduling, highly experimental (Python, JavaScript)
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What is jawanndenn?

Screenshot of poll creation in jawanndenn

jawanndenn is a simple web application to schedule meetings and run polls, a libre alternative to Doodle. It is written in Python and JavaScript using

jawanndenn is libre software developed by Sebastian Pipping. The server code is licensed under the GNU Affero GPL license version 3 or later whereas the client code is licensed under the GNU GPL license version 3 or later.

Please report bugs and let me know if you like it.


To install the latest release without cloning the Git repository:

# pip install jawanndenn

To install from a Git clone:

# python install --user

Deployment with Apache mod_wsgi

To use jawanndenn with mod_wsgi, there is file jawanndenn/app.wsgi For how to integrate jawanndenn/app.wsgi with the Apache configuration, please check the the related documentation of bottle.

Feel free to file a support ticket or drop me a mail, if you cannot get it to work.

Run with docker

You can build a docker image using docker-compose build and run it with docker-compose up.

Serialized data is saved to ~/.jawanndenn-docker/ outside the container (only if the server shuts down). The app is served on localhost:8080.

Command line usage

When installed, invocation is as simple as

# jawanndenn

During development, you may want to run jawanndenn from the Git clone using

# PYTHONPATH=. python jawanndenn/ --debug

Currently supported arguments are:

# jawanndenn --help
usage: jawanndenn [-h] [--debug] [--host HOST] [--port PORT]
                  [--url-prefix PATH] [--database-pickle FILE]
                  [--server BACKEND] [--max-polls COUNT]
                  [--max-votes-per-poll COUNT]

optional arguments:
  -h, --help            show this help message and exit
  --debug               Enable debug mode (default: disabled)
  --host HOST           Hostname or IP address to listen at (default:
  --port PORT           Port to listen at (default: 8080)
  --url-prefix PATH     Path to prepend to URLs (default: "")
  --database-pickle FILE
                        File to write the database to (default:
  --server BACKEND      bottle backend to use (default: tornado); as of this
                        writing bottle supports: auto, bjoern, diesel,
                        eventlet, gae, gevent, gunicorn, meinheld, paste,
                        twisted, waitress, wsgiref. For the most current list,
                        please check the documentation of bottle.

limit configuration:
  --max-polls COUNT     Maximum number of polls total (default: 1000)
  --max-votes-per-poll COUNT
                        Maximum number of votes per poll (default: 40)


Please check out the list of upcoming features.


  • Use of heavy frameworks: building blocks only
  • Read availability from calendars


Special thanks to Arne Maier (@KordonDev) for reporting an XSS vulnerability, responsibly.

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