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.
Permify
Istanbul, TurkeyAn open-source authorization platform designed for building and managing fine-grained permissions.
Denigma
Yerevan, ArmeniaAn AI tool that analyzes and explains complex code in plain, understandable English.
Kerno
Dublin, IrelandA developer-centric troubleshooting and cloud architecture observability platform.
Cerbos
London, United KingdomAn open-source, policy-based authorization layer to decouple access control from application code.
Treblle
Samobor, CroatiaA real-time API monitoring and security platform that helps teams build, observe, and protect their APIs.
Qdrant
Berlin, GermanyQdrant builds an open source vector database and search engine for AI applications and retrieval augmented generation.
Radian
Madrid, SpainCloud-based collaborative thermal simulation software for aerospace and satellite engineering.
Sloyd
Oslo, NorwayAI-driven platform generating game-ready 3D assets instantly.
Runware
London, United KingdomAI inference platform with a proprietary engine delivering fast image, video, and LLM generation through a single developer API.
LocalStack
Munich, GermanyProvides a local cloud sandbox to develop and test AWS applications offline.
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