BEGIN:VCALENDAR VERSION:2.0 PRODID:-//foundercal//foundercal.com//EN CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:San Francisco hackathons Β· foundercal REFRESH-INTERVAL;VALUE=DURATION:PT6H X-PUBLISHED-TTL:PT6H BEGIN:VEVENT UID:event-4059@foundercal.com DTSTAMP:20260619T132726Z DTSTART:20260618T003000Z DTEND:20260618T040000Z SUMMARY:Punk Software Hack Night: Build Tools That Work for You DESCRIPTION:Software used to be a tool you owned. Now it's mostly something that's done to you: apps that harvest your data\, platforms that lock you in\, feeds designed to monetize the gap between your intentions and your attention. Punk software is the alternative. Software that's loyal to you. Tools you build\, own\, understand\, and can change. As Kanjun Qiu\, Imbu e CEO\, puts it: β€œYou don’t have to wait for pol\n\nDetails & RSVP: ht tps://foundercal.com/events/punk-software-hack-night-build-tools-that-work -for-you-9uUFaxMibRkjtG7 URL:https://foundercal.com/events/punk-software-hack-night-build-tools-that -work-for-you-9uUFaxMibRkjtG7 CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-2309@foundercal.com DTSTAMP:20260619T132726Z DTSTART:20260619T000000Z DTEND:20260619T030000Z SUMMARY:Build the Vibe TechWalk | Silicon Valley\, 6/18 DESCRIPTION:A new type of founder is evolving. The tech industry\, an ecosy stem that once promised careers attached to a rocketship and a path to IPO -millionaire-dom isn't reliably doing either anymore. Layoffs have made th e old trajectories unreliable. The tools to build have changed too. What u sed to take a co-founder\, a dev team\, and 18 months now takes a weekend and a working laptop. The result is a founde\n\nDetails & RSVP: https://fo undercal.com/events/build-the-vibe-techwalk-silicon-valley-6-18-3BPEM3X4U6 4YRAm URL:https://foundercal.com/events/build-the-vibe-techwalk-silicon-valley-6- 18-3BPEM3X4U64YRAm CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3362@foundercal.com DTSTAMP:20260619T205640Z DTSTART:20260619T163000Z DTEND:20260620T020000Z SUMMARY:Midsummer Multimodal AI Hackathon - Over $3000 in Total Prizes DESCRIPTION:Walk in with an idea. Walk out with a multimodal AI Agent and p otentially your first customers and investors. All participants will recei ve $100 in LLM credits for Nebius Token Factory\, $50 in voice credits fro m Vapi\, and $25 in backend credits from Insforge. Prize Tracks Nebius - $ 500 first place Insforge - $500 first place - $300 second place - $100 thi rd place Vapi - Best voice AI agent built w\n\nDetails & RSVP: https://fou ndercal.com/events/midsummer-multimodal-ai-hackathon-over-3000-in-total-pr izes-cmc2U3sEDWIe243 URL:https://foundercal.com/events/midsummer-multimodal-ai-hackathon-over-30 00-in-total-prizes-cmc2U3sEDWIe243 CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4158@foundercal.com DTSTAMP:20260620T210806Z DTSTART:20260620T000000Z DTEND:20260621T040000Z SUMMARY:Inference-Time Compute Hackathon DESCRIPTION:$50k top prize. $100k+ total. 24 hours to build. Anthropic\, Et ched\, Cognition\, and Mercor are hosting a 24-hour hackathon with compute support from Prime Intellect! Build something that pushes the frontier of what AI can do and walk out with prize money\, compute credits\, and face time with industry founders. This hackathon is in-person in San Francisco \, and all participants are required to be pres\n\nDetails & RSVP: https:/ /foundercal.com/events/inference-time-compute-hackathon-IQpCxf7BBsyK7mk URL:https://foundercal.com/events/inference-time-compute-hackathon-IQpCxf7B BsyK7mk CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4224@foundercal.com DTSTAMP:20260620T210806Z DTSTART:20260620T160000Z DTEND:20260621T000000Z SUMMARY:Beta Fund X Antler Hackathon LOCATION:Antler\, 144 Townsend St\, San Francisco\, CA 94107\, USA DESCRIPTION:Beta Hacks is a high-velocity monthly hackathon for ambitious b uilders\, engineers\, and founders to rapidly prototype and ship functiona l products. Backed by top mentors\, investors\, and GTM operators\, partic ipants build solo or in teams to validate early-stage ideas. Ship your pro duct and demo your technical execution and real-world potential directly t o a community built for action. ​Discord: Join\n\nDetails & RSVP: https: //foundercal.com/events/beta-fund-x-antler-hackathon-7YlpbTouobnniUG URL:https://foundercal.com/events/beta-fund-x-antler-hackathon-7YlpbTouobnn iUG CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4012@foundercal.com DTSTAMP:20260620T150009Z DTSTART:20260620T170000Z DTEND:20260620T210000Z SUMMARY:Tea & Biscuits Hackathon with Corgi and Codex LOCATION:9 Claude Ln\, San Francisco\, CA 94108\, USA DESCRIPTION:Tea & Biscuits Hackathon with Corgi and Codex πŸ«–πŸΆ London i s Landing in SF - with proper tea & biscuits\, flown all the way in from L ondon\, and a room full of people building their weird and wonderful ideas with Codex! I'm Oscar\, a 19 year old software engineer\, and I run event s across the London tech & AI community. I'm coming to SF for the first ti me so I'm bringing a bit of the London builder en\n\nDetails & RSVP: https ://foundercal.com/events/tea-and-biscuits-hackathon-with-corgi-and-codex-D 0XbYDFTqKsqLFC URL:https://foundercal.com/events/tea-and-biscuits-hackathon-with-corgi-and -codex-D0XbYDFTqKsqLFC CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3692@foundercal.com DTSTAMP:20260621T152306Z DTSTART:20260620T180000Z DTEND:20260621T223000Z SUMMARY:HUD Frontier / RSI RL Environments Hackathon LOCATION:Y Combinator\, 560 20th St\, San Francisco\, CA 94107\, USA DESCRIPTION:🚨 IMPORTANT β€” Please sign up at https://events.ycombinator .com/hud-frontier-june-26 by Friday 17th June 11:59 PM PT. Applications su bmitted on Luma will NOT be reviewed or recognized. HUD (W25) and YC are c o-hosting the first RSI hackathon β€” a technical weekend focused on front ier RL environments\, post-training datasets\, evals\, and RFT workflows. RL Environments are one of the best ways to improv\n\nDetails & RSVP: http s://foundercal.com/events/hud-frontier-rsi-rl-environments-hackathon-VwwZz fl2BG0pnAQ URL:https://foundercal.com/events/hud-frontier-rsi-rl-environments-hackatho n-VwwZzfl2BG0pnAQ CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4272@foundercal.com DTSTAMP:20260620T210806Z DTSTART:20260620T200000Z DTEND:20260621T020000Z SUMMARY:The Super Solo: Agent Skills Hack Day DESCRIPTION:The Super Solo: Agent Skills Hack Day Build the agents that run your one-person company. The solo founder era is here. One person. The ri ght agent stack. Unlimited leverage. Come spend an afternoon building the Agent Skill that powers your one-person company β€” then demo it to judges and walk away with feedback\, prizes\, and people who get what you're bui lding. Agenda: - 1:00 PM β€” Check-in + opening\n\nDetails & RSVP: https:/ /foundercal.com/events/the-super-solo-agent-skills-hack-day-w8EbS14kn6y7Ng n URL:https://foundercal.com/events/the-super-solo-agent-skills-hack-day-w8Eb S14kn6y7Ngn CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3872@foundercal.com DTSTAMP:20260621T213055Z DTSTART:20260621T170000Z DTEND:20260622T000000Z SUMMARY:Agents you Love: Hackathon LOCATION:577 2nd St\, San Francisco\, CA 94107\, USA DESCRIPTION:Agents You Love Hackathon πŸ’› Build AI agents people actually want to use. Join us in San Francisco on 21th June for an in-person builde r hackathon with HydraDB\, Thine\, Lovable\, and Nebius. Join our discord to communicate: https://discord.gg/t6mE9hCJzr This is a hackathon for buil ding personal\, useful\, and lovable AI agents β€” agents that understand context\, remember what matters\, use tools\, automat\n\nDetails & RSVP: h ttps://foundercal.com/events/agents-you-love-hackathon-pEBunSeWrBUk6Fw URL:https://foundercal.com/events/agents-you-love-hackathon-pEBunSeWrBUk6Fw CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3983@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260626T000000Z DTEND:20260626T030000Z SUMMARY:Boba-thon DESCRIPTION:πŸ§‹ Boba-thon: Build AI Workflows Over Boba AI Valley Γ— Worka to are bringing builders together for an evening of hands-on hacking\, AI workflow building\, and boba. This is a casual\, high-signal build night f or engineers\, founders\, students\, and AI builders who want to meet othe r ambitious people\, experiment with new ideas\, and ship something small but real. Whether you come with a project\, a half-ba\n\nDetails & RSVP: h ttps://foundercal.com/events/boba-thon-qMm1ShxpxNUROJd URL:https://foundercal.com/events/boba-thon-qMm1ShxpxNUROJd CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3985@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260626T153000Z DTEND:20260627T013000Z SUMMARY:Flutter SF Gen UI Hackathon - Powered by Very Good Ventures DESCRIPTION:Build agentic Flutter UI/UX that generate\, adapt\, and act in real time. Flutter SF and Very Good Ventures (VGV) are bringing together F lutter and AI builders in San Francisco for a one-day hackathon focused en tirely on Generative UI Gen Kit and Gemini AI. Gen UI is the idea that int erfaces themselves are dynamically generated\, adaptive\, and AI-native at runtime\, constructed from LLM output in real\n\nDetails & RSVP: https:// foundercal.com/events/flutter-sf-gen-ui-hackathon-powered-by-very-good-ven tures-HIV2cJc77aGzqnI URL:https://foundercal.com/events/flutter-sf-gen-ui-hackathon-powered-by-ve ry-good-ventures-HIV2cJc77aGzqnI CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4143@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260626T153000Z SUMMARY:Flutter SF Gen UI Hackathon DESCRIPTION:# Build agentic Flutter UI/UX that generate\, adapt\, and act i n real time. ***["Please register on LUMA"](https://luma.com/vxul6pt9)*** Flutter SF and Very Good Ventures (VGV) are bringing together Flutter and AI builders in San Francisco for a one-day hackathon focused entirely on G enerative UI Gen Kit and Gemini AI. Gen UI is the idea that interfaces the mselves are dynamically generated\, adaptive\n\nDetails & RSVP: https://fo undercal.com/events/flutter-sf-gen-ui-hackathon-315274274 URL:https://foundercal.com/events/flutter-sf-gen-ui-hackathon-315274274 CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-2323@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260627T153000Z DTEND:20260629T010000Z SUMMARY:ExecuTorch with Meta & Qualcomm @ The Web Data Loft LOCATION:625 2nd St\, San Francisco\, CA 94107\, USA DESCRIPTION:Application window has concluded. The window for for applying a nd submitting project proposals will be closed by June 17th at 11:59 PM PD T ExecuTorch Hackathon β€” Build On-Device AI on Snapdragon πŸ“ The Web D ata Loft by Bright Data Β· 625 2nd Street\, San Francisco\, CA 94107 πŸ“… June 27–28\, 2026 Β· On-site only Two days. Real Snapdragon hardware. AI that runs entirely on the phone in your hand. The Exe\n\nDetails & RSVP: https://foundercal.com/events/executorch-with-meta-and-qualcomm-the-web-da ta-loft-BbR4Z6R0DERhB02 URL:https://foundercal.com/events/executorch-with-meta-and-qualcomm-the-web -data-loft-BbR4Z6R0DERhB02 CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-2901@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260627T163000Z DTEND:20260628T020000Z SUMMARY:Scalekit x Actian x Render Hackathon - Agents in Production Build D ay SF LOCATION:San Francisco\, CA\, USA DESCRIPTION:Build agents that act on behalf of users Most agents are demos. They call APIs. They look impressive. But the moment they need to act as a specific user in a real system\, with real permissions\, they fall apart .This hackathon is about that last mile. Build an AI agent that doesn't ju st execute tasks - it does it as the right person\, with the right access\ , in the right context. Date: Saturday\, June \n\nDetails & RSVP: https:// foundercal.com/events/scalekit-x-actian-x-render-hackathon-agents-in-produ ction-build-day-sf-A8UbK27jLEyrIPz URL:https://foundercal.com/events/scalekit-x-actian-x-render-hackathon-agen ts-in-production-build-day-sf-A8UbK27jLEyrIPz CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-1837@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260627T173000Z SUMMARY:Hackathon: Humanizing The Prototype LOCATION:Tavus HQ\, 35 Stillman St\, San Francisco\, CA\, San Francisco\, C A DESCRIPTION:# Build a PAL: Tavus x Lovable Hackathon (with ProductTank SF) ​Spend one day building a PAL\, a new kind of application you talk to\, one that sees you\, hears you\, remembers you\, and gets to know you over time\, then ship it live inside a real app. ## β€‹πŸ† $5\,000 in prizes * ​πŸ₯‡ **1st place: $3\,000** * ​πŸ₯ˆ **2nd place: $1\,500** * ​πŸ₯‰ **3rd place: $500** ​Every winning team also takes home a special c\n\n Details & RSVP: https://foundercal.com/events/hackathon-humanizing-the-pro totype-314860008 URL:https://foundercal.com/events/hackathon-humanizing-the-prototype-314860 008 CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-1927@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260630T160000Z DTEND:20260701T030000Z SUMMARY:Runpod Flash Hack Day LOCATION:625 2nd St\, San Francisco\, CA 94107\, USA DESCRIPTION:Runpod Flash is a Python SDK that turns any function into a liv e\, auto-scaling serverless endpoint. You never write a Dockerfile or mana ge a container image β€” specify your GPU and dependencies directly in Pyt hon\, and Flash handles everything else.Join us on Tuesday\, June 30\, 202 6 for a full-day in-person hackathon focused on building real workflows wi th Flash. We’ll kick off with a technical walkt\n\nDetails & RSVP: https ://foundercal.com/events/runpod-flash-hack-day-JfhGlAKJbyWgp2j URL:https://foundercal.com/events/runpod-flash-hack-day-JfhGlAKJbyWgp2j CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4609@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260701T010000Z DTEND:20260701T043000Z SUMMARY:Novita x Kilo Code Hackathon Kickoff Night LOCATION:Hogpatch\, 2360 3rd St\, San Francisco\, CA 94107\, USA DESCRIPTION:Join us for an AI hackathon kickoff designed for non-technical creators\, students\, operators\, marketers\, founders\, and anyone curiou s about building with AI. This is not a high-pressure coding competition. It is a lightweight\, practical build sprint to help you turn an idea into an AI-native web app\, tool\, or demo you can share in your portfolio\, r esume\, or online presence. We'll kick things off i\n\nDetails & RSVP: htt ps://foundercal.com/events/novita-x-kilo-code-hackathon-kickoff-night-YCB8 ulnTnk4jbFJ URL:https://foundercal.com/events/novita-x-kilo-code-hackathon-kickoff-nigh t-YCB8ulnTnk4jbFJ CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3988@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260703T210000Z DTEND:20260704T000000Z SUMMARY:Agent Forge Mini Hackathon: One-click Agent Deploy LOCATION:Digital Jungle SF\, 972 Mission St\, San Francisco\, CA 94103\, US A DESCRIPTION:Agent Forge Mini Hackathon The AI market moves fast. Having a g reat agent idea isn't enough -- you need to ship it\, see it in the hands of users\, and iterate before the window closes. This hackathon is about b uilding agents you can actually deploy in one click and moving at the spee d the market demands. AI Builders is partnering with Tencent EdgeOne Maker s for Agent Forge Mini Hackathon around the\n\nDetails & RSVP: https://fou ndercal.com/events/agent-forge-mini-hackathon-one-click-agent-deploy-tnDCJ uzOMBN8kDA URL:https://foundercal.com/events/agent-forge-mini-hackathon-one-click-agen t-deploy-tnDCJuzOMBN8kDA CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4570@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260703T210000Z SUMMARY:Agent Forge Mini Hackathon: One-click Agent Deploy LOCATION:Digital Jungle SF\, 972 Mission St\, San Francisco\, CA 94103\, Un ited States\, San Francisco\, CA\, San Francisco\, CA DESCRIPTION:## Agent Forge Mini Hackathon The AI market moves fast. Having a great agent idea isn't enough β€” you need to ship it\, see it in the ha nds of users\, and iterate before the window closes. This hackathon is abo ut building agents you can actually deploy in one click and moving at the speed the market demands. AI Builders is partnering with **Tencent EdgeOne Makers** for Agent Forge Mini Hackathon arou\n\nDetails & RSVP: https://f oundercal.com/events/agent-forge-mini-hackathon-one-click-agent-deploy-315 368819 URL:https://foundercal.com/events/agent-forge-mini-hackathon-one-click-agen t-deploy-315368819 CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-583@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260705T210000Z DTEND:20260705T230000Z SUMMARY:AI Vibe Sprint San Francisco - The Product Folks x Emergent DESCRIPTION:Vibe Sprint: San Franciscoβ€” Build With AI\, IRL πŸš€ πŸ—“οΈ Date: July 25 πŸ•“ Time: [Time] πŸ“ Location: San Francisco (Details shar ed upon approval) No entry fees. No slides. No corporate agenda. Just buil ders\, laptops\, and vibes. Got an idea? Let's build it β€” together\, in person. Vibe Sprint is hitting San Francisco β€” and you're invited. Wheth er you're a product manager\, designer\, developer\, or someone \n\nDetail s & RSVP: https://foundercal.com/events/ai-vibe-sprint-san-francisco-the-p roduct-folks-x-emergent-HE2I52bmgwyHBEK URL:https://foundercal.com/events/ai-vibe-sprint-san-francisco-the-product- folks-x-emergent-HE2I52bmgwyHBEK CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4055@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260707T160000Z DTEND:20260708T010000Z SUMMARY:HackwithBay 3.0 LOCATION:AWS Builder Loft\, 525 Market St\, San Francisco\, CA 94105\, USA DESCRIPTION:πŸŽ‰ HackwithBay 3.0 – 8-Hour Hackathon at AWS Builder Loft\, SF πŸŽ‰ Join us for HackwithBay 3.0\, an electrifying 8-hour hackathon br inging together the brightest minds in tech\, creativity\, and innovation β€” all under one roof at the iconic AWS Builder Loft in San Fransisco! πŸš€ Whether you're a seasoned hacker\, a budding coder\, a design wizard\ , or an idea machine\, HackwithBay 2.0 is your chance to buil\n\nDetails & RSVP: https://foundercal.com/events/hackwithbay-3-0-baAO0z3Y9J1OVLw URL:https://foundercal.com/events/hackwithbay-3-0-baAO0z3Y9J1OVLw CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4267@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260708T163000Z DTEND:20260709T033000Z SUMMARY:AI Hack Day: Codex & More LOCATION:AWS Builder Loft\, 525 Market St\, San Francisco\, CA 94105\, USA DESCRIPTION:AI Hack Day: Codex & More An invite-first HackerSquad build day for people who want quiet time with serious AI tooling. We will spend the day building with Codex\, agent workflows\, multimodal tools\, retrieval\ , evals\, and whatever else feels useful once everyone is in the room. The point is not a big stage or a loud launch. The point is to give a small g roup of builders enough space to try things\, c\n\nDetails & RSVP: https:/ /foundercal.com/events/ai-hack-day-codex-and-more-ZTeV0otN7wedjMA URL:https://foundercal.com/events/ai-hack-day-codex-and-more-ZTeV0otN7wedjM A CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4044@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260711T220000Z SUMMARY:Vibe Coding Hackathon 🍺⚑ LOCATION:Southern Pacific Brewing\, 620 Treat Avenue\, San Francisco\, CA\, San Francisco\, CA DESCRIPTION:***Welcome to Pints & Prompts first ever Hackathon!*** ***Grab a beer and vibe-code something cool.*** *A relaxed build session for peopl e who'd rather make something than just talk about it. We'll grab a table at Southern Pacific Brewing\, order a round\, and use AI* t*ools like Clau de to turn a small idea into a working demo in a few hours. No team\, no p ressure\, no all-nighter\; just good beer and \n\nDetails & RSVP: https:// foundercal.com/events/vibe-coding-hackathon-315245202 URL:https://foundercal.com/events/vibe-coding-hackathon-315245202 CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-549@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260712T000000Z DTEND:20260712T060000Z SUMMARY:Night Hack by Founders\, Inc. DESCRIPTION:50 teams joined the first Night Hack. Winners shipped secure sa ndboxes\, robot training pipelines\, sports tech\, and more. They took hom e cash\, credits\, and campus access. We’re running it back. One night a t the Founders\, Inc. lab. Build hardware\, software\, or both. AI\, agent s\, tools\, robots\, infra. All fair game. The theme: ship something real in one night. Live demos only. No slides. No localhost.\n\nDetails & RSVP: https://foundercal.com/events/night-hack-by-founders-inc-n2zevGO5zRohWmT URL:https://foundercal.com/events/night-hack-by-founders-inc-n2zevGO5zRohWm T CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4560@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260716T000000Z DTEND:20260716T040000Z SUMMARY:Battle Bots Hack Night & Watch Party LOCATION:625 2nd St\, San Francisco\, CA 94107\, USA DESCRIPTION:Battle Bots Hack Night & Watch Party A playful hack night for b uilders who want to make bots battle\, compete\, negotiate\, race\, fail d ramatically\, and maybe even behave intelligently. This is a hands-on even ing at Bright Data's Web Data Loft for agent-vs-agent experiments\, bot ga mes\, lightweight robotics-flavored demos\, and weird competitive AI proje cts that can be built in a few hours. What to Exp\n\nDetails & RSVP: https ://foundercal.com/events/battle-bots-hack-night-and-watch-party-bCJf3B196C iniPb URL:https://foundercal.com/events/battle-bots-hack-night-and-watch-party-bC Jf3B196CiniPb CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4561@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260717T003000Z DTEND:20260717T043000Z SUMMARY:ElevenLabs x Sauna Hack Night LOCATION:1185 Mason St\, San Francisco\, CA 94123\, USA DESCRIPTION:ElevenLabs x Sauna Startup Hack Night What happens when AI gets a memory and a voice? On July 16\, we’re bringing ElevenLabs and Sauna together at the Wordware office in San Francisco for a startup-focused Hac k Night built around voice\, agents\, automation\, and AI-native workflows . Sauna is building an AI that learns how your team works\, remembers what matters\, and keeps work moving forward. ElevenL\n\nDetails & RSVP: https ://foundercal.com/events/elevenlabs-x-sauna-hack-night-MEYxMR5Xmo5Qti1 URL:https://foundercal.com/events/elevenlabs-x-sauna-hack-night-MEYxMR5Xmo5 Qti1 CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4562@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260718T163000Z DTEND:20260719T020000Z SUMMARY:AI Hack Day at Bright Data LOCATION:625 2nd St\, San Francisco\, CA 94107\, USA DESCRIPTION:AI Hack Day at Bright Data A full-day build session for people working on practical AI products\, agents\, web data workflows\, retrieval \, evals\, infrastructure\, and developer tools. We are taking over Bright Data's Web Data Loft for a focused Saturday of building. The day is desig ned for people who want enough time to explore a real idea\, find collabor ators\, get unstuck\, and demo something concrete \n\nDetails & RSVP: http s://foundercal.com/events/ai-hack-day-at-bright-data-DzgiEFQxuc20hel URL:https://foundercal.com/events/ai-hack-day-at-bright-data-DzgiEFQxuc20he l CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4563@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260724T000000Z DTEND:20260724T040000Z SUMMARY:SF AI Tech Stack Hack Night LOCATION:625 2nd St\, San Francisco\, CA 94107\, USA DESCRIPTION:SF AI Tech Stack Hack Night An evening for builders working acr oss the modern AI application stack: agents\, data pipelines\, retrieval\, evals\, observability\, model APIs\, orchestration\, deployment\, and dev eloper tools. We are gathering at Bright Data's Web Data Loft for a practi cal hack night focused on what people are actually using to build AI produ cts in San Francisco right now. What to Expect - \n\nDetails & RSVP: https ://foundercal.com/events/sf-ai-tech-stack-hack-night-NftDc6lXCjMPu3g URL:https://foundercal.com/events/sf-ai-tech-stack-hack-night-NftDc6lXCjMPu 3g CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-4291@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260725T160000Z DTEND:20260726T043000Z SUMMARY:Build Fast. Launch Loud. Prompt Driven Hackathon LOCATION:Venture Dock\, 555 University Ave\, Palo Alto\, CA 94301\, USA DESCRIPTION:Prompt Driven Development (PDD) Hackathon Build Fast. Launch Lo ud. The PDD Hackathon is a one-day\, high-intensity build event focused on creating real\, working AI-powered products β€” fast. You MUST also regis ter here: https://promptdriven.ai/events/build-fast-launch-loud-prompt-dri ven-hackathon This event is centered around a new way of building software : instead of traditional development workflow\n\nDetails & RSVP: https://f oundercal.com/events/build-fast-launch-loud-prompt-driven-hackathon-pEOQcx 1qe60ikfe URL:https://foundercal.com/events/build-fast-launch-loud-prompt-driven-hack athon-pEOQcx1qe60ikfe CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-550@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260919T000000Z DTEND:20260919T060000Z SUMMARY:Night Hack by Founders\, Inc. DESCRIPTION:Night Hack III by Founders\, Inc 50 teams joined the first Nigh t Hack. Winners shipped secure sandboxes\, robot training pipelines\, and sports tech. Took home $1k+ cash\, credits\, and a month at campus. Now\, we're running it back. Build hardware\, software\, or both. AI\, agents\, tools\, robots\, infra - all fair game. The theme is: ship something real in one night.Live demos only. No slides. No localhost\n\nDetails & RSVP: h ttps://foundercal.com/events/night-hack-by-founders-inc-hkAWSwwpjTsq4xF URL:https://foundercal.com/events/night-hack-by-founders-inc-hkAWSwwpjTsq4x F CATEGORIES:Hackathon END:VEVENT BEGIN:VEVENT UID:event-3773@foundercal.com DTSTAMP:20260623T160842Z DTSTART:20260929T163000Z DTEND:20260930T020000Z SUMMARY:The AI Conference Hack Day 2026 DESCRIPTION:The AI Conference Hack Day is where 350 builders unite to do so mething that was impossible a year ago: build a working product β€” a real business β€” in a single day. This isn't a hackathon in the old sense. No throwaway demos\, no clever prototypes that die the next day. The AI Conf erence Hack Day brings together 350 builders\, engineers\, product and bus iness minds to ship something real. Something th\n\nDetails & RSVP: https: //foundercal.com/events/the-ai-conference-hack-day-2026-op3v5Hwerp6jVjY URL:https://foundercal.com/events/the-ai-conference-hack-day-2026-op3v5Hwer p6jVjY CATEGORIES:Hackathon END:VEVENT END:VCALENDAR