Jan Antonin Kolar
@kolar_eth
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Product + AI + Genealogy β $3M in lost property recovered for families worldwide
Prague
Joined February 2010
The only way to try Comet, is to share this. Sorry:. I'm on the waitlist for @perplexity_ai's new agentic browser, Comet:
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Don't write your YC application in all lowercase!!!!.
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RT @nocheerleader: Me searching aimlessly for motivation since the @boltdotnew hackathon ended
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How to win @boltdotnew hackathon despite a DB crash before submission?.3M record @supabase DB crashed, couldn't present in final video. In 5 days, 3 people (@davidtyemnyak, @Nguyexu3) submitted a non-functional project and still "won". Hackathon had 3
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Every project here has a demo or prototype that works π₯ . Big day ahead. Good luck to everyone submitting π . #bolthackathon #vibecoding #buildinpublic.
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StoryHero by @reiling58481 . An app for reading personalized kids' stories out loud using ElevenLabs voice AI. Simple flow, great voice integration, and a clean mobile-first design. It's a delightful use of tech for parents.
Just got @elevenlabsio working in our app, to read off the kids stories. Super happy with the result!. (volume up to hear the read along)
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Nixly, subscription manager by @jpskrzypczak . A live app with user and subscription data via Supabase. Jakub kept vibe coding even with limited time (and his fiancΓ©e's birthday). Great execution and transparency in updates with a friendly "nick the beaver" mascot to guide you.
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ContractDoc by @DhruvalGolakiya . A powerful MVP for analyzing and editing contracts. It includes clause breakdowns, importance tagging, and multi-workspace support. Impressive scope for just 8 hours of work! .
THIS IS INSANE .Fastest vibe-coded app Iβve ever built - just 8 hours in, fully working, all in @boltdotnew π. β Payment integration.β Simple and clean landing page.β Doc comparison with standard documents + live editing with multiple suggestions + multiple export options.β
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Zenglish by @zorzini . A calm, mindfulness-infused language learning app designed with cute playful visuals.
OMG it's been such a Wild journey with the @boltdotnew hackathon!π. Zenglish, the calm language learning app, is still in review on the app store, but we're submitting the web app version for the #bolthackathon tomorrow . Here's a quick app demo. What do you think of it so far?
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Intimity by @ahruf_ . This one analyzes your relationship based on chat data. Very clean branding, with a strong emotional hook. The product pitch video is a great example for all the participants - clean, engaging and informative.
Today marks the first look at Intimity. My @boltdotnew hackathon project that reveals what your relationship has been trying to say. Ready to feel more connected through your chats?. try Intimity now
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GeoQuery AI by @cpickett101 . A map-based tool for local market research using AI. Designed to help businesses explore locations for expansion. Simple interface, and a strong use case for anyone doing geographic business intelligence.
π¨ I FINALLY SUBMITTED IT! π¨. After weeks of building, I just submitted to the World's Largest Hackathon presented by @boltdotnew!. Introducing GeoQuery ai.Fast and efficient local market research with AI technology, helping organizations find ideal places for expansion and
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New Mom by @zeng_wt . A supportive space for new mothers, with a chatbot answering common questions 24/7. It hits a clear emotional/user need with a warm and polished design.
π₯From no-code to vibe code!β¨. Excited to announce that I am joining the @boltdotnew Hackathon and building New Mom. I just vibe coded this website and AI chatbot today without knowing how to code at all!.Bolt brought to life the tool I wished for as a new mom. Now, as a mom of
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Languages Go by @TheAlexYao . A real-world language learning app inspired by PokΓ©mon Go. You take live photos and get vocabulary cards generated by AI. The video feature makes it easy to understand and fun to learn.
π Just built "Languages Go" with ONE mega-prompt for the (@boltdotnew) One-Shot Challenge!. "Languages Go" - Snap photos, discover vocabulary, collect AI-generated cards, compete with friends. Real-world language learning that's actually fun. PokΓ©mon Go
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Part of the @boltdotnew hackathon magic? Getting inspired (and humbled) by what others create. 8 creations that did just that for me:.
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π Rebuild the OG Snake game with just one prompt inside @boltdotnewπππ. Prompt Title: Retro Nokia 3310 like Snake Clone (High-Resolution LCD Grid). βΈ». Objective:.Recreate the Nokia 3310 Snake game in React + TypeScript with Tailwind. Use a pixel grid (84Γ48) to render
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.@0xCharlota and I this weekend
Want a distraction 23 hours before submitting to the world's biggest hackathon? π¬ Play @boltdotnew's one-shot retro snake game π. PLAY HERE: Comment for the prompt, and I'll DM it. #bolthackathon #BoltNew
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Want a distraction 23 hours before submitting to the world's biggest hackathon? π¬ Play @boltdotnew's one-shot retro snake game π. PLAY HERE: Comment for the prompt, and I'll DM it. #bolthackathon #BoltNew
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