CH Open offers numerous conferences and events on the topic of open source through its 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 much more.

Working Groups

Find out the latest about open source over a glass of wine or a beer - at the CH Open Business Apéro we discuss exciting topics related to open source. You are invited to attend without obligation!


Open Source news and a coffee - at the CH Open Business Café we exchange views on the latest Open Source topics. We cordially invite you to attend without obligation and to join in the discussion.


Over lunchtime, CH Open sponsors and interested parties regularly offer short presentations on the topic of open source. Join them and exchange ideas with the participants over lunch afterwards. OBL

Digital transformation is everywhere. That's why we hold the Digital Sustainability Conference and DINAcon Awards to recognise the courage and innovation of companies, governments, communities, developers and individuals. DINAcon

Are you a teacher or responsible for school IT? Take this opportunity and learn how to introduce or promote open source thanks to a variety of presentations and workshops. Open Education Day

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

OSS Directory

The Parliamentary Group for Digital Sustainability promotes the sustainable use of information and communication technologies and advocates for public access to knowledge goods. Parldigi

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

During the popular three-day conference, you can attend one of the numerous workshops every day. Deepen your knowledge and get to grips with the current state of computer science. Workshop-Tage

The open source-based video conference server with BigBlueButton was launched by CH Open in the Corona Lockdown in April 2020 and is enjoying great popularity. BigBlueButton


Become a member now

Become a CH Open member and benefit from attractive discounts at our fee-based events.
Also the Java User Group Switzerland ( and swissICT grant the same discounts as their members.