Working groups

CH Open offers numerous conferences and events around the topic of open source through the various national working groups. With the Working Groups, CH Open aims to intensify and promote the theoretical and practical expertise of CH Open members and interested parties in the field of Open Source Software, but also in related areas such as Open Data, Open Government, Open Innovation and many more.

Working groups

CH Open Business Apéro - OBA

Find out the latest about Open Source with a glass of wine or beer - at the CH Open Business Apéro we discuss exciting topics related to Open Source. Take part without obligation, you are cordially invited!

CH Open Business Café - OBC

News about open source and a coffee - at the CH Open Business Café we exchange ideas about the latest open source topics. We cordially invite you to take part and participate in the discussion without obligation.

CH Open Business Lunch - OBL

At lunchtime, CH Open sponsors and interested parties regularly offer short lectures on the subject of Open Source. Be there and exchange ideas with the participants over the meal afterwards.


Digital transformation is ubiquitous. That is why we hold the conference on digital sustainability and also present the DINAcon Awards to recognize the courage and innovative strength of companies, authorities, communities, developers and people.

Open Education Day

Are you a teacher or responsible for school IT? Take this opportunity and learn, thanks to a variety of presentations and workshops, how you can introduce or promote Open Source.

OSS Directory

Are you looking for attractive offers on the subject of open source? On the OSS Directory platform you will find the latest news, events, companies, products, jobs and much more. Take a look at the platform or make entries yourself!


The parliamentary group on digital sustainability promotes the sustainable use of information and communication technologies and advocates public access to knowledge.

Workshop days

During the popular three-day conference, you can attend one of the numerous workshops every day. Deepen your knowledge and deal with the current state of IT.

Video conference server with BigBlueButton

The open source video conference server with BigBlueButton was launched by CH Open in Corona Lockdown in April 2020 and is very popular.

Open Education Server

The Open Education Server is a Nextcloud instance with Libre Office and Nextcloud Talk developed for the simple exchange of documents in schools.

Join Now!

Become a CH Open member and benefit from attractive price discounts on our chargeable events.
The Java User Group Switzerland ( and swissICT usually grant you the same conditions as their own members.