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COVID19 UPDATE: Due to recent developments the OpenTechSummit Europe will not take place as a face to face event on May 20, 2020. Instead we are planning a global online event for November. The OTS Europe will return 2021 as a life event. All tickets will be valid for next year. We will soon announce more info for the global online summit in November. Please follow us on Twitter for updates. Thank you. Stay safe and healthy!


Artificial Intelligence

Artificial Intelligence

From building an AI server infrastructure to creating skills and actions for voice assistants or create your own Open Source chatbots with SUSI.AI. Join sessions covering Bot Framework, Big Data, Dataprep and more.

Cloud, Containers, DevOps

Cloud, Container, DevOps

Get better insights in how to deploy apps on the cloud more efficiently and save your company money. Sessions in the Cloud, Containers, DevOps track cover Kubernetes, Serverless Architecture, Microservices, OpenShift, and Continuous Integration.



Meet database engineers and learn how to save your company money with Open Source database solutions. Specific topics include Scaling TB of data, Real-time data masking, Replication Features, Performance Schema, BigQuery, and Immutable Key-Value Stores.

Mobile Technologies

Mobile Technologies

Mobile development sessions covers technologies for mobile platforms, Android, iOS, cross platform tools and discuss current trends and future of mobile technologies.


Web Technologies

Web development sessions covers technologies for web platforms, Javascript, HTML, frameworks, development tools as well as upcoming trends and technologies.

Hardware, Design, Firmware

Hardware, Design, Firmware

With the decrease of prices of hardware development tools and production open source hardware projects are gaining popularity. Projects range from laser cutters to pocket science labs. Apart from technical topics speakers will share their experience from making prototype to going to large scale production and working with mass manufacturers.

Kernel & Platform

Kernel & Platform

Topics from the Linux Kernel to BSD and desktop systems such as Meilix or applications like VLC. Learn about network servers, hacking with x86 Windows tablets, asynchronous integration of GPU computing with HPX many task processing, Unikernelized Linux, Open Build Service in Debian, and C from the trenches.

Science & Education

Science & Education

Science needs to be open and verifiable. As more and more tools are available to a larger part of the population the chance to become a scientist or simply to participate in citizen science increases. What tools exist? What hardware is available? How to do science hands-on with Open Source software and hardware?

Internet, Society, Community

Internet, Society, Community

More and more governments, companies and citizens share data for the benefit of the society. What are the use cases for Open data? What possibilities do we have for a truly free society in the times of tracking devices and supervision technologies, how to keep communities engaged in Free and Open Source development?



Find out how to keep your services secure in the Cybersecurity track. The track has sessions about Encryption with PGP, SELinux, Secrets Management, Backups, QubesOS, Securing Web and Javascript apps.


Python Pycon World Track

At the Pycon World Open Source event track we cover topics for beginners to expert Python users. Python events are hosted all around the world organized by local teams and organizations. We all share the same spirit to spread knowledge, learn from each other and make lasting connections.

Compliance & Legal

Compliance & Legal

Open source compliance is the process by which users, integrators, and developers of open source software observe copyright notices and satisfy license obligations for their open source software components. In the track we discuss how to comply with open source licensing obligations and facilitate effective use of open source in products.



Let's dive into the world of cryptocurrencies, smart contracts, financial services, video games, supply chain. Blockchain is resistant to modification of the data and Open Source is at the core of the technology. Join us to learn more.

Open Source Business

Open Source Business

Learn more about Open Source solutions provided by companies. In the business track you gain insights to the latest Open Source products from selling services, such as training, technical support, or consulting to providing certification, licensing and software as a service.



In the Academy track developers and trainers provide free workshops on topics such as Python Introduction, Artificial Intelligence, Databases and Cloud.

Featured Speakers

Norbert Preining


Mathematician and Logician by education, he is now working in the Research and Development lab of Accelia, Inc, Tokyo. His core interests are mathematical logic, computer science, machine learning, AI, security, software verification and specification..

Michael Christen


Michael is the founder of SUSI AI, loklak and, the creator of the P2P Search engine YaCy. He is a Big Data Engineer consulting for some of the largest corporate players in Germany on search engine technology.

Schedule Roster

Schedule Roster

24 May, 2021

  • Tuesday 22 May Exhibition Preparation

    Throughout the day exhibitors prepare for the event.

  • Wednesday 23 May Exhibition opens throughout the day

    8:00 PM Exhibition Preparation
    8:30 PM Breakfast Snacks for Exhibitors
    9:30 Exhibition Opens
    17:30 PM Exhibition Closes

  • Thursday 24 May Exhibition opens with Workshops and Coderdojos for Kids throughout the day

    8:00 PM Exhibition Preparation
    8:30 PM Breakfast Snacks for Exhibitors
    9:30 Exhibition Opens
    12:30 PM Exhibition Showcases
    17:30 PM Exhibition Closes

Conference & DevSprints
20-21 May (+22), 2021

  • Wednesday Morning 23 May, 9:30 - 12:30 Conference Opening and Professional Workshops

    Venue: University

    8:00 Registration and Breakfast Snacks
    9:30 Conference Opening Track 1: Open Tech
    10:00 Cloud Workshop (Part 1)
    10:00 AI Workshop (Part 1)
    10:45 Coffee Break
    11:00 Keynotes
    12:30 Exhibition Visit

  • Wednesday Afternoon 23 May, 13:30 - 17:30 Conference Program and Professional Workshops

    Venue: University
    Different Tracks about Open Source Technologies

    13:30 Tracks Start
    13:30 Cloud Workshop (Part 2)
    13:30 AI Workshop (Part 2)
    15:30 Coffee Break and Exhibition Visit
    16:00 Tracks Continue
    17:30 Sessions End

  • Thursday (Himmelfahrt) 24 May, 9:30 - 17:30 Conference Program + Pycon World

    Venue: University
    Different Tracks and Workshops about Open Source Technologies

    9:30 All Tracks Start
    17:30 Sessions End

  • Friday 25 May, 10:00 - 17:00 Brunch and DevSprints

    Venue: Co-Working Lab

    Let's get together and do some real coding.

Social Events
22-25 May, 2019

  • Tuesday 22 May, 14:00-16:00 Arrived in town for the OpenTechSummit? Join us at the Meet and Greet.

    Join the OpenTechSummit Speakers and Attendees casual Meet & Greet hangout, meet the local tech scene.

  • Tuesday 22 May, 15:00 Venue Preparation with volunteers, organizers and exhibitors

    Let's set up the venue for the event.

  • Tuesday 22 May, 19:00 Let's get together for a Pre-Event Dinner Meetup with speakers of the event.

    Please join us for a pre-event dinner meetup with locals and international participants of the OpenTechSummit.

  • Wednesday 23 May, 19:00 Our official OpenTechSummit Social Dinner Event

    Join us for the OpenTechSummit Social Dinner Event. Please get your social event ticket beforehand.

  • Thursday 24 May, 20:00 Berlin City Evening Tour

    Join us for an evening tour in Berlin City.

  • Friday 25 May, 20:00 DevSprints BBQ

    Join us for DevSprint Spring BBQ!

About Image
  • Lightning Talks

    Lightning Talks are short lectures (almost) any conference participant may give at the event! Please simply add your proposal on our wiki page. There is only a review to ensure the lightning talks are covering Open Source or technical topics and rules are kept. Please read details in the wiki and add your proposal for a lightning talk!

    Wednesday/Thursday, 24/24. May

    Lightning Talk Wiki
  • Cloud Workshop

    Please join us for an intensive workshop with Open Source Cloud experts from around the world on the latest technologies, development and deployment covering DevOps topics such as developing 'Using Kubernetes and Knative to deploy & secure containerized applications'.

    Wednesday, 23. May
    Registration: 9:30, Workshop: 10:00 - 15:30

    Workshop Sign Up
Pocket Science Lab

Experimenting with Pocket Science Lab

Pocket Science Lab is an Open Source measuring device for electronics engineers, scientists and students, that can be plugged into a smartphone or PC. The tiny pocket lab provides functions for an oscilloscope, a multimeter, a waveform generator, a frequency counter, a programmable voltage, current source and a data logger for dust sensors, gas sensors, ph-meter, gyroscope, accelorometer and hundreds more of compatible sensors. Learn how to use the Pocket Science Lab at the open workshop in the exhibition.

Thursday, 24. May, 10:00 - 15:00

More Info
Artificial Intelligence
  • Artificial Intelligence Workshop

    Artificial Intelligence frameworks have reached the point where they can be used as tools in daily work. Capabilities that can be achieved with AI are recognizing objects and making decisions. This workshop introduces participants to the basics of AI and covers topics such as practical deep learning, as well as an understanding of approaches and options for solving real world problems. In addition participants will practice developing and deploying artificial intelligence models.

    Wednesday, 23. May
    Registration: 9:30, Workshop: 10:00 - 15:30

    Workshop Sign Up
After-Event DevSprints

After-Event DevSprints

Let's get together and meet developers and participants of the OpenTechSummit to learn in-depth how to make use of the knowledge you gained at the event. Participate in coding sessions, learn how to deploy projects and exchange ideas to progress with your projects. Please join us in the morning for a brunch and make use of the expertise of all participants.

Friday 25. May, 10:00 - 17:00

Sign Up
  • Exhibition with Tech Companies and Projects

    Meet tech companies, discuss career strategies or learn about the latest tech ideas from core developers of Open Source projects and many more at the exhibition. Become an exhibitor and connect with developers, users, academics and customers. Exhibition opens:

    Wednesday, May 23, 9:30-17:30
    Thursday, May 24, 9:30-17:30

    Book Booth Community Booth
Artificial Intelligence
  • Python Pycon World

    Whether you are an experienced Python developer, a hobby programmer or a beginner, we would love to welcome you to the Pycon World Open Source event track at the OpenTechSummit. Pycon events are hosted all around the world organized by local teams and organizations, but we all share the same spirit in the Open Source community - to spread knowledge, learn from each other and make lasting connections. Pycon World tickets are valid for entry to the OpenTechSummit. Please join us in Berlin!

    Thursday, 24. May, 2021
    Pycon World: 10:00 -17:30

    Pycon World Ticket

OpenTechSummit Europe

Get your ticket!

Event Organizers


Open Tech Development and Consulting

OpnTec GmbH is an Open Source company based in Berlin, Germany. We develop sustainable consumer products together with the open tech community and bring them to market. We create the missing pieces to make open technologies successful - for software, hardware, design, end user documentation, marketing or production processes.

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Interested in becoming a sponsor or exhibitor? Find out about sponsorship options or book a booth here.


Mario Behling

CEO at OpnTec

Robert Mies

Research Associate at the Chair of Quality Science, Institute for Machine Tools and Factory Management, Technische Universität Berlin

Hong Phuc Dang

Director of Board at OSI

Eden Jade

Senior Program Manager at FOSSASIA

Summit Venues

The OpenTechSummit will take place in different locations and venues at the centre of Berlin city.

Join us in Berlin for the OpenTechSummit Europe.