PS opens doors to the open source world

We organize knowledge sharing and access to open source technologies for world leading IT companies, start-ups and institutions. Through our network of experts we support our partners and customers on their way to digital transformation with open source.

Event Management

From your first idea to realization: We are here for you every step of the way. Whether your are planning an event online or onsite, you can rely on our expertise.


Plain Schwarz has extensive communication and design experience allowing us to support you in reaching your target audience and making the best of your event experience.


Whether your are currently planning a new event, are new in Open Source or just have an idea in mind that you want to lift to the next level? Speak to us!

What our Clients say about us

In 2020, faced with the cancellation of our flagship Haystack US conference due to the pandemic, we worked with the Plain Schwarz team to combine our event with two others (Berlin Buzzwords and MICES) into a week of online talks, workshops and discussions. In only a short time they put together a complete online platform … Continue reading Charlie Hull | OpenSource Connections

Charlie Hull | OpenSource Connections

Conferences have a lot of moving parts, and it is important to keep all of them moving together. We are a global and virtual organization, so we needed a local partner with a real sense of ownership of the event. Plain Schwarz really understood our needs and translated them into the perfect event. They made … Continue reading Myrle Krantz | Apache Software Foundation

Myrle Krantz | Apache Software Foundation

When we had to turn MICES into a virtual event this year, we could not have made a better decision than to work with Plain Schwarz: Their high level of professionalism and their creativity to cope with this unusual situation became apparent very quickly. What makes Plain Schwarz really special is that we didn’t have … Continue reading René Kriegler | MICES

René Kriegler | MICES

This year, our annual conference took place as a hybrid event. The main challenge was to create a true conference feeling for our online participants. Plain Schwarz helped us to find interactive formats for our online audience and customized a platform for our individual needs. We could not have made a better choice: Plain Schwarz … Continue reading Claudia Pietsch | Mercator Institut

Claudia Pietsch | Mercator Institut