BEGIN:VCALENDAR VERSION:2.0 PRODID:-//foundercal//foundercal.com//EN CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:Berlin hackathons · foundercal REFRESH-INTERVAL;VALUE=DURATION:PT6H X-PUBLISHED-TTL:PT6H BEGIN:VEVENT UID:event-3673@foundercal.com DTSTAMP:20260619T132726Z DTSTART:20260617T090000Z DTEND:20260617T170000Z SUMMARY:PROMPT x PURCHASE — A Bitrefill Hackathon LOCATION:Mena Berlin\, Hinterhof Back-yard\, Skalitzer Str. 114\, 10999 Ber lin\, Germany DESCRIPTION:Your AI agents can buy anything. One day. A secret Berlin club. What ideas can you turn into reality in a single day? THE CHALLENGE: Buil d something where an AI agent searches\, buys\, and pays for real products on Bitrefill by itself. Solo or team. More details shared for registrants on the day of the hack. THE PRIZES Top 3 submissions win 1000 EUR in Bitr efill giftcards. 🥇 500 EUR🥈 300 EUR🥉 200\n\nDetails & RSVP: https ://foundercal.com/events/prompt-x-purchase-a-bitrefill-hackathon-UCvvGm4fq 4E96lC URL:https://foundercal.com/events/prompt-x-purchase-a-bitrefill-hackathon-U CvvGm4fq4E96lC CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3540@foundercal.com DTSTAMP:20260617T201739Z DTSTART:20260617T150000Z SUMMARY:June Golang Meetup: adk-go hackathon LOCATION:CIC Berlin\, Lohmühlenstraße 65 12435\, Berlin\, Berlin DESCRIPTION:Hello Gophers\, GopherCon Europe is in town again\, bringing co ol speakers and attendees from around the world. Let's use the chance to g et together for some hacking and networking. Bring your laptops! In this 2 hours hackathon we will setup an AI Agent using adk-go. About ADK Go: An open-source\, code-first Go toolkit for building\, evaluating\, and deploy ing sophisticated AI agents with flexibility a\n\nDetails & RSVP: https:// foundercal.com/events/june-golang-meetup-adk-go-hackathon-315108314 URL:https://foundercal.com/events/june-golang-meetup-adk-go-hackathon-31510 8314 CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3385@foundercal.com DTSTAMP:20260621T031409Z DTSTART:20260620T073000Z DTEND:20260621T150000Z SUMMARY:AI x ENERGY HACKATHON DESCRIPTION:AI x ENERGY HACKATHON Ready to build cutting-edge AI for the fu ture of energy?Join us for a full weekend of hacking\, learning\, and netw orking at our AI x ENERGY Hackathon — where the brightest minds in AI an d energy tech come together to innovate and have a great time. Whether you 're working\, building\, or innovating on solutions that will shape how we produce\, store\, and consume energy in the futu\n\nDetails & RSVP: https ://foundercal.com/events/ai-x-energy-hackathon-7L5XkZptJzDjLDZ URL:https://foundercal.com/events/ai-x-energy-hackathon-7L5XkZptJzDjLDZ CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3578@foundercal.com DTSTAMP:20260620T085939Z DTSTART:20260620T073000Z DTEND:20260620T150000Z SUMMARY:Agents that pay hackathon LOCATION:juggleHUB Coworking\, Immanuelkirchstraße 14a\, 10405 Berlin\, Ge rmany DESCRIPTION:AI agents are starting to pay for the data and services they us e. Come build one\, and help shape what the open\, paid web looks like. No coding experience required. Whether you're a seasoned engineer or have ne ver written a line of code\, you can build something real here using AI co ding tools and ready-made Apify Actors. Come with an idea\, leave with a w orking agent. The challenge Build an agent th\n\nDetails & RSVP: https://f oundercal.com/events/agents-that-pay-hackathon-CDHipESomv3HGCU URL:https://foundercal.com/events/agents-that-pay-hackathon-CDHipESomv3HGCU CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-2698@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260626T080000Z DTEND:20260626T160000Z SUMMARY:Daytona HackSprint w/ AI Builders - Berlin\, June 2026 LOCATION:Factory Berlin Mitte\, Rheinsberger Str. 76/77\, 10115 Berlin\, Ge rmany DESCRIPTION:Join us for a 5-hour AI Hackday in Berlin where we build real A I applications fast. Come solo or with a team (3-4).Bring an idea or join others and collaborate. // WHO IS THIS FOR? - AI builders (intermediate → advanced) - Developers\, designers\, marketers\, founders - Anyone cur ious about building with AI - ⚠️ Basic AI/Agents knowledge recommended 👉 End of the day: Live demos + pitches // PROGRAM0\n\nDetails & RSVP: https://foundercal.com/events/daytona-hacksprint-w-ai-builders-berlin-june -2026-tF8Tp5FTU0CCVOC URL:https://foundercal.com/events/daytona-hacksprint-w-ai-builders-berlin-j une-2026-tF8Tp5FTU0CCVOC CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-1013@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260709T100000Z DTEND:20260712T140000Z SUMMARY:European Defense Tech Hackathon – Berlin DESCRIPTION:Time to Accelerate European Defense Innovation Join us and 200+ hackers from all across Europe and beyond for the European Defense Tech H ackathon on July 9-12\, 2026\, in Berlin as part of Berlin Defense Tech We ek 2026! Wanna come as a visitor? Join our EDTH Community here: https://co mmunity.eurodefense.tech/ Connect with fellow defense innovators\, meet po tential co-founders\, and build projects with\n\nDetails & RSVP: https://f oundercal.com/events/european-defense-tech-hackathon-berlin-mU9ehGSD4GHNCB w URL:https://foundercal.com/events/european-defense-tech-hackathon-berlin-mU 9ehGSD4GHNCBw CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3903@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260723T120000Z DTEND:20260723T140000Z SUMMARY:AI Vibe Sprint Berlin - The Product Folks x Emergent DESCRIPTION:Vibe Sprint: Berlin— Build With AI\, IRL 🚀 🗓️ Date: T hursday\, 23 July 2026 🕓 Time: [Time] 📍 Location: Berlin (Details sh ared upon approval) No entry fees. No slides. No corporate agenda. Just bu ilders\, laptops\, and vibes. Got an idea? Let's build it — together\, i n person. Vibe Sprint is hitting Bangalore — and you're invited. Whether you're a product manager\, designer\, developer\, or someone who\n\nDetai ls & RSVP: https://foundercal.com/events/ai-vibe-sprint-berlin-the-product -folks-x-emergent-rlCYrXP0OvTx8Cn URL:https://foundercal.com/events/ai-vibe-sprint-berlin-the-product-folks-x -emergent-rlCYrXP0OvTx8Cn CATEGORIES:Hackathon END:VEVENT END:VCALENDAR