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.
TitanML
London, United KingdomDeveloper tools that enable enterprises to optimize, compress, and deploy large language models efficiently.
Escape
Paris, FranceAn automated API security platform that helps developers find and fix vulnerabilities in their GraphQL and REST APIs.
Argilla
Madrid, SpainAn open-source data curation platform for building and fine-tuning LLMs and NLP models.
Cloud68
Tirana, AlbaniaProvides managed hosting and deployment infrastructure for open-source digital tools.
Omnisearch
Rotterdam, NetherlandsAn API-first search engine that enables developers to search inside audio, video, PDFs, and images.
Haiqu
Lviv, UkraineDevelops middleware software to enhance the performance and capability of quantum computers.
AskUI
Karlsruhe, GermanyPrompt-to-test automation software that understands user interfaces visually using AI.
Wasp
Split, CroatiaAn open-source, declarative language for building full-stack web applications with React and Node.js.
OpenMeter
Budapest, HungaryProvides open-source, real-time usage metering infrastructure for AI and SaaS billing.
DeForm
Yerevan, ArmeniaWeb3 consumer engagement platform helping developers and marketers track and verify user interactions.
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