Event directory in Europe
Browse event organisations across Europe. Each entry links to its country, city, and sector pages.
Showing 601–620 of 901 Event
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Nordic Tech Week 2026
Stockholm's city-wide, open-access technology week with hundreds of independently hosted panels, hackathons, and investor summits connected under one platform and anchored by the open Tech Open gathering in Kungstradgarden. The festival convenes startups, scaleups, investors, and ecosystem actors from across the Nordics for five days of programming.
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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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Northern FinTech Summit 2026
FinTech North's pan-northern flagship, celebrating the fintech ecosystem across the North of England at the Guildhall in York. Useful for a Northern fintech founder wanting cross-regional investor and corporate connections in one summit rather than a single-city conference.
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NT Konferenca 2026
The largest IT conference in Slovenia, in its 31st edition on the Adriatic coast, bringing together technology professionals, business leaders, and educators. A broad ecosystem event useful for Slovenian founders' networking and hiring.
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OdiseIA4Good Hackathon Grand Final 2026
AI-for-social-good hackathon grand finals in Madrid featuring mentoring sessions, live demos, and awards for impact-driven solutions. Brings together AI researchers, social entrepreneurs, and impact investors. Strong for AI startups building solutions in healthcare, education, and sustainability seeking visibility and pilot partnerships.
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Oh My Hack 2026
One of Poland's largest community cybersecurity conferences, returning for its 8th edition at the PGE Narodowy stadium. For security founders, pentesters, and infrastructure engineers it offers a large practitioner audience and a strong recruiting and networking surface in the Polish infosec scene.
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OMR Festival 2026
One of Europe's largest digital marketing and technology festivals, attracting 70,000+ attendees to Hamburg Messe. Features masterclasses, expo stages, and side events covering MarTech, creator economy, D2C, and AI-powered marketing tools.
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OMR Festival 2026 (Late Sessions)
OMR runs satellite late-session events through the summer in Hamburg following the main May festival. The July edition focuses on AI in marketing, social commerce, and creator-economy monetization with smaller, more intimate audiences than the main event. Tickets from EUR 50.
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OMR Festival 2027
OMR27 is confirmed for 3-5 May 2027 in Hamburg, with Super Early Bird tickets already on sale. One of Europe's largest digital marketing and technology festivals, it draws 70,000+ attendees to Hamburg Messe for MarTech, creator economy, D2C, and AI-powered marketing content.
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ONS 2026
A major global energy forum at Stavanger Forum with 70,000+ visitors and 1,100+ exhibitors, including an ONS Scale-Ups programme connecting energy scale-ups with the industry. Relevant for energy-tech founders.
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Open Banking Expo UK & Europe 2026
The UK and Europe's dedicated Open Banking, Open Finance and Smart Data show at the Business Design Centre in London. Four content stages plus a workshop theatre, an Innovation Zone and 40+ exhibitors bring together banks, fintech founders, regulators and investors shaping data-driven finance.
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Open Conf 2026
An annual tech conference at the Dais Events center in Marousi, Athens, supported by the Greek software and IT sector including major companies, open communities, startups, hubs and research centers. The 2026 edition centers on AI-Native Engineering, Tech with Impact and Software Craftmanship, drawing 700+ attendees across talks, panels, mentoring and tech challenges.
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Open Eyes Economy Summit 2026
A major international congress on responsible and sustainable economy and value-driven business. Relevant for climate, greentech, and impact founders looking to connect with ESG-minded corporates, public institutions, and mission-aligned investors.
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Open Source Conference Luxembourg 2026 (October 2026)
A one-day conference at the Belval campus themed around leading by example in digital sovereignty, gathering international Open Source Program Offices and related organisations. Participants exchange experience on implementing and securing open-source software across the public sector, AI and large language models, cybersecurity, academia and humanitarian use.
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Open Source Experience Brussels 2026
European-wide open-source business and technical conference in Brussels, bringing together 5,000+ OSS contributors, European corporate users of open source, and public-sector decision-makers. Program covers enterprise OSS strategy, supply-chain security, European digital sovereignty, and sustainable OSS funding models. Tickets EUR 200-500.
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Open Source Summit Europe 2026 (Oct 2026)
Open Source Summit Europe is the Linux Foundation's premier vendor-neutral conference for the global open-source ecosystem, featuring keynotes, breakout sessions, and a Solutions Showcase. The 2026 edition is hosted in Prague, convening maintainers, developers, technologists, and community leaders shaping the future of open source, with co-located events on the preceding days.
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OpenCoffeeKRK #309 (June 2026)
Long-running monthly morning meetup of Krakow's startup community at Yolk Workspace, gathering founders, freelancers, investors and tech professionals for informal networking over coffee. Free to attend and a reliable entry point for early-stage founders building their local network and finding collaborators in the Krakow ecosystem.
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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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Øredev 2026
Øredev is one of Europe's premier developer conferences, held annually in Malmö since 2005 and celebrating its 20th edition in 2026. The three-day program spans the whole software development process, including backend, frontend, AI, architecture, security, and team culture, drawing developers, architects, and tech leads from across the Nordics. A strong hiring and learning venue for engineering-heavy startups in the Öresund region.
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Oslo Business Forum 2026
Annual leadership and business conference bringing around 3,000 leaders, a majority of them C-level, to Hagemessen in Lillestrom under the 2026 theme 'The Human Edge'. The programme features roughly 23 globally recognized speakers including Steven Bartlett, Angela Duckworth, and Seth Godin on leadership, performance, and innovation.
