Get in touch

There are different means to get in touch with us: Sending a mail to info@c3l.lu or over at Mastodon: @c3l@social.c3l.lu. Press & Media should use press@c3l.lu and see the press page. Please note that we are all doing voluntary work here. Do not expect immediate responses! There are simply no office hours. Secondly, we are not a computer repair shop. Don't contact us to ask if we can fix your computer. Also read this FAQ, before contacting us.

You can also visit us in our hackerspace ChaosStuff. See also our Guidelines.

We have a publicly-available Channel on our XMPP and Matrix server. Everyone is welcome to join and chat with us:

• XMPP: c3l@conference.c3l.lu
• Matrix: #c3l:matrix.c3l.lu

Events

A summary of events and activities taking place in the near future, is featured down below. For a full list, please consider the events page or subscribe to our atom feed.

• ChaosMeeting (2025/09/29 20:00 - 23:00)
• Hack.lu (2025/10/21 - 2025/10/24 )
• ChaosMeeting (2025/10/27 20:00 - 23:00)
• ChaosMeeting (2025/11/24 20:00 - 23:00)

Weekly Gatherings

ChaosMeetings will usually take place the last Monday of every month at 8 PM in the ChaosStuff or online.

We are currently:

Past events

• MeetUp @ ChaosStuff (2025/09/15 19:00 - 22:00)
• ChaosMeeting (2025/08/25 20:00 - 23:00)