• Babbel the market-leading language-learning app makes it easy to learn anything from English to Indonesian – either from home or on the go with a smartphone or tablet. Since being founded in 2007, Babbel has helped people discover the joy of learning beyond work or school. The company now has more than 300 team members based in Berlin and New York and has up to 120,000 users registering daily. Babbel offers courses through which to learn 14 different foreign languages, each specifically adapted for seven different display languages.

  • Coffee

    Travis CI is a continuous integration platform: We run people’s tests, deploy their code and help them be confident about their work. We have strong roots in open source, both in our community and how Travis CI was built. We continue to support the open source community wherever we can. Travis CI is run as a hosted service, free for open source, and a paid product for private code. It’s also available as an on-premises version (Travis CI Enterprise). We’re a small, bootstrapped business from Berlin, Germany with a team distributed across the globe. Our goal is to help people build better software. Travis CI is profitable, and we’re building a sustainable business for the long run.

  • Recently named one of the five fastest-growing companies in Germany, Blacklane provides a professional driver service around the globe. With availability in over 50 countries worldwide, passengers can easily schedule a ride online or using our mobile app. Blacklane guarantees low, fixed and all-inclusive rates, confirmed at the moment you book. To ensure a seamless customer experience, from registration to ride to payment, our team of talented engineers work hard to deliver a world-class product. Personal development is at the forefront of Blacklane’s work ethos; we hold internal TechTalks and coding sessions so as to better learn from each other, provide a rich library with new books added every month, visit conferences and user-groups regularly, and we never compromise- striving always for the best quality, no matter what!

  • Founded in 2012 by the people behind the Elasticsearch and Apache Lucene open source projects, Elastic provides real-time insights and makes massive amounts of structured and unstructured data usable for developers and enterprises. By focusing on scalability, ease-of-use, and ease-of-integration, the Elastic ELK stack – comprised of Elasticsearch, Logstash, and Kibana – powers many of the world’s leading mobile, social, consumer and business applications. Since its initial release, the ELK stack has achieved more than 20 million cumulative downloads, and today, Elastic is backed by Benchmark Capital, Index Ventures, and NEA with headquarters in Amsterdam and Mountain View, California, and offices and employees around the world.

  • We bootstrap new digital products. We are an international company builder focused on building synergetic businesses in the fields of advertising, big data, and fintech.



Sponsor us

Sponsoring eurucamp is a direct and effective way to reach a diverse and talented group of Rubyists, from across Europe and the world.


  • Dajana
  • Dani Schufeldt
  • Michael Reinsch
  • Andreas Müller (gateprotect GmbH)
  • Sandra Lorenz (gateprotect GmbH)
  • Yves Komenda (gateprotect GmbH)
  • Mathias Dorn (gateprotect GmbH)
  • Daniel Schmidt (gateprotect GmbH)
  • Gregor Urbanek (menticorp AG)

Supporting Companies

  • subvisual
  • Cirilli Printmedia