Association for the promotion of Open Source Software and Open Standards in Switzerland



Digital Sustainability

Digitalization and sustainability are omnipresent concepts. But how can they be thought of together? The answer seems trivial: digital sustainability. What exactly digital sustainability means, what it encompasses and what prerequisites are necessary for it was explained during the workshop “Digital Sustainability” and illustrated with a use case. Missed it? Please find Slides & Case…

Medienmitteilung, Bern, 26.03.2021

Vernehmlassungsantwort zum EMBaG

  Vollständiger Inhalt: Als PDF hier herunterladen. Sehr geehrter Herr Bundesrat,sehr geehrte Damen und Herren, Sie haben uns eingeladen, im Rahmen der Vernehmlassung betreffend dem «Bundesgesetz über den Einsatzelektronischer Mittel zur Erfüllung von Behördenaufgaben» (EMBaG) Stellung zu nehmen. Der Verein CHOpen fördert seit 1982 offene Systeme (Open Source Software) und Standards (Open Standards) in derSchweizer ICT-Landschaft…

Pressemitteilung, Bern, 25.05.2020

Lancierung von Schweizer Video Conferencing Server

CH Open und starten eine kostenlos nutzbare, öffentlich zugängliche Video Conferencing Plattform, die vollständig in der Schweiz betrieben wird. Diese neue Online-Plattform basiert auf einem leistungsstarken Server von und der Open Source Software BigBlueButton. Auf der neuen Video Conferencing Plattform können ab sofort gratis sowohl berufliche und private Videokonferenz-Meetings als auch grössere Online-Events…




Open Education Day 2022


Workshop-Days 2022

The Workshop-Days will take place from 6th to 8th September 2021 at Berner Fachhochschule Wirtschaft in Bern. We also offer workshops in English.


Anniversary Party – 40 years CH Open

Everyone is cordially invited. The celebration will take place in Bern. Further information will follow.

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

Our Members

5 Honorary member

198 Individual member

6 Member in education

55 Collective member

OSS Directory


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



Are you looking for a job or do you need an open source professional?
On this platform you can publish job offers or get in contact with job providers.

About CH Open

11 board members volunteer their time to CH Open. See here which people are behind it.


Our sponsors make it possible for open source to be promoted and new ideas to emerge. See all sponsors here.


Thanks to our loyal members, we have been able to promote open source since 1982. See the current number of members. Mitglieder

The statutes of CH Open are divided into twelve individual points. Read through the points here. Statuten

CH Open regularly publishes press releases. View all previous releases here.


Do you have a question for CH Open? Get in touch with us. We look forward to receiving your message.



Become a member now

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