Developer Tools startup ecosystem
We track 156 organisations in this sector across 6+ countries.
Showing 81–100 of 156 Developer Tools
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Mark Erikson
Senior engineer at Replay.io and a maintainer of Redux, the widely used state-management library for JavaScript and React applications. He is an announced speaker at the 2026 ZurichJS Conf in Zurich.
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Matheus Albuquerque
Staff software engineer at Medallia focused on web performance and the React and JavaScript ecosystem, and an active conference speaker on frontend engineering. He is an announced speaker at the 2026 ZurichJS Conf in Zurich.
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Matt Robinson
Matt Robinson co-founded the payments company GoCardless, which emerged from Y Combinator in 2011, and later co-founded the proptech company Nested. He is regarded as one of the UK's and Europe's most active angel investors, backing founders across cloud, SaaS, fintech and payments. In 2024 he joined Accel as an early-stage partner in London while continuing his investing activity.
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Mindee
Mindee is a Paris-based company providing an AI-driven OCR API for high-precision document data extraction, covering invoices, receipts, passports, resumes, bank statements, and driver's licenses. The platform lets businesses chain pre-processing steps such as splitting, classifying, and cropping documents with extraction in a single API call, and it supports continuous learning with retrieval-augmented generation to handle edge cases over time. Mindee's customers include Spendesk, Lucca, and Indy, and it is available via SDKs, no-code tools, or direct API integration with a 14-day free trial.
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Mirko Novakovic
Founder and CEO of Dash0, an AI-native observability platform. He previously co-founded and led Instana to a roughly 500 million dollar acquisition by IBM in 2020, and earlier co-founded German software-engineering firm codecentric. A serial founder and prolific B2B angel investor across cloud, DevOps and AI.
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Mitzu
Warehouse-native product analytics platform that runs directly on data warehouses like Snowflake, BigQuery and Databricks, letting teams analyze funnels, retention and usage without moving data or writing SQL.
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Nikola Lazarov
Software engineer at Progress Software focused on developer tools and application platforms. He is an announced speaker at the DEV: Challenge Accepted 2026 conference in Sofia, presenting to developers and architects.
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Nordic.js 2026
Stockholm's iconic JavaScript community conference, running since 2014 and known for its curated single-track program covering frontend frameworks, Node.js backends, tooling, and the emerging wave of AI-augmented developer workflows. 700+ senior JavaScript engineers from across the Nordics and beyond. The post-conference social events in Stockholm's bars and restaurants are a defining feature. Tickets EUR 500-700.
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Nuitée
Nuitée is a travel technology company providing API infrastructure for hotel connectivity and distribution, acting as a link between accommodation providers and demand partners. Headquartered in Dublin, with additional offices in Spain, Morocco, the UK and the US, it offers product families spanning distribution and booking solutions, APIs and whitelabel services, and hotel data mapping. Its platform enables hotels, airlines, travel agencies and app developers to build travel and booking solutions, including AI-driven workflows for booking, pricing and distribution. The company was founded by Med Benmansour (CEO), Said Rkaibi and Olivier Dheur, and raised a $48 million Series A round led by Accel.
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Odoo
Odoo is a Belgian company that develops an open-source, all-in-one suite of business applications covering ERP, CRM, accounting, e-commerce, inventory and project management. Founded by Fabien Pinckaers, it traces its origins to software he began as TinyERP, later OpenERP, before being renamed Odoo. Headquartered in Louvain-la-Neuve, it has grown into a multinational with offices on several continents and a large global customer base. A November 2024 secondary transaction led by CapitalG and Sequoia Capital valued the company at €5 billion, and subsequent reporting in early 2026 put the valuation above €7 billion.
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Ondřej Mirtes
Czech software engineer and creator of PHPStan, the popular static analysis tool for PHP that helps developers find bugs before runtime. He is a confirmed speaker at Laravel Live Denmark 2026 in Copenhagen, where he discusses static analysis and code quality in modern PHP.
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OpenSlava 2026
The 14th edition of OpenSlava, Accenture's free conference on emerging technologies and open source held in Bratislava. The 2026 programme focuses on AI in the era of intelligent agents, with hands-on labs on day one and main-stage sessions on day two. The hybrid English-language event draws business and technology leaders, architects, software developers, students and educators from across Central Europe.
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Oplane
Agentic security platform that automates threat modelling for engineering teams using AI coding tools like Cursor and GitHub Copilot. Continuously maps codebase architecture, flags security risks and delivers contextual remediations in developer workflows; in production at Miro and Tandem Health.
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OxidOS Automotive
Builds a Rust-based secure operating system and toolchain for safety-critical automotive ECUs, aiming to cut development time while improving memory safety and security for car software.
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Paddle
UK Merchant-of-Record platform handling payments, sales tax, compliance and billing across 300+ markets for SaaS and digital-product businesses; serves 10,000+ customers.
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Philippe Serhal
Staff software engineer at Netlify working on web platform and developer tooling for the modern JavaScript ecosystem. He is an announced speaker at the 2026 ZurichJS Conf in Zurich.
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Poolside
Poolside is arguably the most important "import" to the European AI ecosystem in the last decade. Founded by Jason Warner (former CTO of GitHub) and Eiso Kant, the company started in the United States but relocated its headquarters to Paris in 2024 to tap France's deep talent pool in mathematics, systems engineering, and AI research. Its mission is unusually ambitious: not just to build code autocomplete, but to create the world's most capable AI for software engineering, with a long-term goal of systems that can build and evolve software autonomously. This framing has made Poolside a defining player in the AI-for-developers category. By 2026, Poolside has established itself as a core node in the "Paris AI Triangle" alongside Mistral and H. After a massive $500M Series B in late 2024 led by Bain Capital Ventures, the company launched its flagship foundation model trained on a distinct corpus of code, software architecture, and repository-level structure. The emphasis on engineering artifacts rather than general internet text allows Poolside's models to reason about large codebases, infer intent from architectural patterns, and propose higher-level refactors instead of one-off snippets. This technical posture differentiates Poolside from generalist models and makes it uniquely useful for enterprises grappling with decades of technical debt. The company's 2026 platform looks less like a plugin and more like a "shadow engineering team." Poolside can analyze legacy banking systems, plan migrations across stacks, and coordinate changes across modules while preserving compliance and auditability. That capability has made it a darling of large financial institutions such as HSBC and Citi, and it explains why strategic investors are embedded alongside venture capital. Poolside is also scaling Project Horizon, a 2-gigawatt AI data center campus in Texas in partnership with CoreWeave, while keeping its research and model development anchored in Paris. This split setup reflects a broader pattern: US-scale compute, European R&D depth. Poolside's ecosystem ties are deep. It is a central node at Station F and an active participant in the Paris AI Hub, and its relocation is often cited by the French government as a proof point for attracting foreign tech leadership. The investor roster underscores its strategic importance: Bain Capital Ventures led the growth round, DST Global joined as a late-stage backer, Xavier Niel provided early strategic support to facilitate the Paris move, and Nvidia is a hardware partner. In 2026, Poolside stands out as Europe's most credible attempt to build an AI-native software engineering stack at frontier scale.
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Porto Tech Hub Conference 2026
Porto's annual tech conference showcasing the city's growing engineering community, with talks on software architecture, AI/ML, DevOps, and product management from local and international speakers. 2,000+ attendees. Tickets EUR 30-100.
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Probely
Developer-first Dynamic Application Security Testing (DAST) and API vulnerability scanner. Founded 2016 in Portugal; raised EUR 7.7M Series A in 2022; acquired by Snyk in November 2024.
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Przemysław Jurgiel-Żyła
Investment Director at Movens Capital. Leads sourcing and diligence across CEE early-stage software and deep tech deals, with focus areas in AI, developer tools, and fintech infrastructure.
