--- title: "Contact" type: page menu: main: weight: 900 --- ## Mailinglist To contact us, please use our [orga mailinglist](mailto:{{< cosin "orga_email" >}}). The mailing list is the best way to reach the whole CoSin team. ## Matrix Chat During the event, the best way to reach us is probably Matrix. Please use the main room [{{< cosin "matrix_space" >}}:{{< cosin "matrix_server" >}}]({{< cosin "matrix_to" >}}{{< cosin "matrix_space" >}}:{{< cosin "matrix_server" >}}). ## Links and groups behind CoSin * [Chaos Computer Club Switzerland (CCC-CH)](https://ccc-ch.ch) * [Chaos Computer Club Basel](https://ccc-basel.ch/) * [Chaostreff Bern](https://www.chaosbern.ch/) * [Coredump (Hackspace Rapperswil)](https://www.coredump.ch/) * [Hackspace Eastermundigen](https://www.eastermundigen.ch/) * [Hackspace St. Gallen](https://www.ruum42.ch/) * [Odenwilusenz (Hackspace Beringen, Schaffhausen)](https://www.odenwilusenz.ch/) * [Chaos Computer Club Zürich (CCCZH)](https://www.ccczh.ch/) * [Chaos Computer Club](https://www.ccc.de)