DEV Joni - Open Science Instrumentation

Our mission is to accelerate scientific and industrial breakthroughs by providing an all-in-one partner delivering integrated solutions so that you can focus on what's the most important: Making your projects succeed on time.

Base Platform Products. Our open-source ecosystem of basic building blocks gets you started quickly and ensures repeatable and standard conditions. Download design files for DIY builds or get visit our Shop for ready made parts.

Custom and Workshop Services. Our custom solutions tackle challenges that off-the-shelf products can't address or aren't commercially viable. We design and build semi-custom devices quickly, cost-effectively, and with the flexibility to support scientific, industrial, or even amateur applications.

About us. We are a small, sustainable business, working without pressure from loans and investors. This independence allows us to stay truly committed to our customers' best interest and our open-source visions - delivering reliable, user-focused devices with integrity and transparency.

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Copyright (C) 2023-2025 DEV Joni / Joni Kemppainen. This website is operated under the laws of the Republic of Finland by DEV Joni / Joni Kemppainen. Our business identification number is Y-3339572-3 and EU VAT-ID FI33395234. We operate from Hyrynsalmi, Finland (part of the EU). DEV Joni is a trade / business name protected by the Finnish Trade Register. Prior purchase view our Terms and Conditions and Privacy Policy at the Shop. Publicly available code and models licensed under GPLv3 unless otherwise noted. Any disputes will be governed by the laws of Finland. For inquires, contact us at solutions@devjoni.com