Devtools directory
Early-Stage Developer Tools Startups in Europe
Developer tools are the software that engineering teams use to build, ship, run, and secure other software, from cloud infrastructure to databases and API platforms. Europe has produced deep technical talent and a strong open source culture, making it a natural home for this category. Many of the most widely adopted developer tools today were started by European founders.
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Why devtools now
Every company is becoming a software company, which pushes spending toward the tools that help engineers move faster and stay secure. The shift to cloud native architectures, real time data, and AI workloads keeps expanding demand for new infrastructure and tooling. European data sovereignty rules and the appetite for open source give regional players a durable edge.
How we choose these companies
A public directory of early-stage European devtools startups. We aim to list every company that fits, not a hand-picked few. Here is exactly what that means, and why:
- European: headquartered in Europe (EU, EEA, UK, Switzerland and nearby). We go by where a company is based, not just where it sells, because this is a map of the European ecosystem.
- Early-stage: founded in the last 5 years. That is where the new ideas and the most active part of the ecosystem are; established household-name scaleups are a different list.
- A real product company: builds a scalable technology product or platform. We leave out agencies, consultancies and local service businesses, which do not follow the same path.
- Independent: a standalone company, not a subsidiary or brand of a larger corporation.
- Active: currently operating, with a live website. We re-check regularly and remove companies that shut down, get acquired, or move out of scope.
We list only public information about what each company does. We deliberately do not track or show fundraising: who is raising, who is investing, or how much. This is a directory of companies, not a deal database.
Missing a company, or see something off? Suggest an addition or report an issue.
258 early-stage devtools startups in Europe
Founded in the last 5 years. A comprehensive list from public sources, not a hand-picked few.
Cerbos
London, United KingdomAn open-source, policy-based authorization layer to decouple access control from application code.
Genezio
Bucharest, RomaniaA type-safe cloud development platform that simplifies writing and deploying serverless applications.
Sloyd
Oslo, NorwayAI-driven platform generating game-ready 3D assets instantly.
Flowstate
Sofia, BulgariaEngineering metrics and analytics platform designed to improve software development team performance and well-being.
Testkube
Warsaw, PolandAn open-source Kubernetes-native test orchestration and execution framework.
Varg
Tirana, AlbaniaBuilds decentralized blockchain infrastructure, custom protocols, and advanced smart contract solutions.
Nuclia
Barcelona, SpainAn AI-powered search engine that enables developers to index and search unstructured data.
Marqo
London, United KingdomAn end-to-end vector search engine for building multimodal search applications.
Terramate
Berlin, GermanyAn orchestration and code generation tool for managing multiple Terraform stacks.
Blockscout
Ljubljana, SloveniaAn open-source block explorer providing deep transparency and security analysis for Ethereum-based networks.
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