Fri, Sep 18 · 284 submissions

#151

woolgather

Turn rough ideas into projects you can understand and build.

woolgather helps developers and makers turn scattered ideas into projects they can understand and build. Capture thoughts freely, develop them through focused agentic conversations, and keep decisions, sources, open questions and next steps...

Productivity, Developer Tools, OpenAI Day
▲ 1 💬 1
#152

Tang Nano 4K Video In

Turn NTSC composite video into color HDMI with a tiny FPGA

Open-source hardware that turns NTSC composite video into color HDMI on a Tang Nano 4K. One FPGA I/O plus a passive R/C feedback network acts as a one-bit ADC; sync and color decoding drive three line buffers and 640x480 HDMI—no external AD...

Hardware, Developer Tools, GitHub, Tech, OpenAI Day
▲ 1 💬 1
#153 AI

Mudd

Team chat and project tasks with AI-assisted task extraction

Mudd brings team chat, projects, and tasks into one workspace. Create tasks from conversations or review AI-suggested tasks before saving them. Each task links back to its source messages, so the discussion and the work stay connected.

Task Management, Messaging, Artificial Intelligence, OpenAI Day
▲ 1 💬 1
#154

Counterfactual

Test an idea against a world that can prove you wrong

Built with GPT-6 Astra in Codex, Counterfactual is a transport experiment lab where ideas face reproducible tests. Discover why a shortcut can slow everyone down, design custom networks, search road closures and upgrades, and challenge resu...

Education, OpenAI Day
▲ 1 💬 1
#155 AI

Aside

Turn ANY listening to conversation.

Meet Aside. Turn any audio into a conversation. Interrupt a podcast with a question. Go deeper into a lecture. Explore the thinking behind an interview. Join any listening just like talking with your friends over Discord. Recorded then. You...

Education, Artificial Intelligence, Audio, OpenAI Day
▲ 1 💬 1
#156 AI

Decomind — AI for real-state agents

AI for real estate agents. Try the 3D home module free

Decomind helps real estate agencies win and sell listings with AI: valuation, listing copy, virtual staging, photo retouching, lead follow-up. Its newest module, built with GPT-6 Astra, turns a floor plan into a walkable 3D home. Used daily...

Design Tools, Artificial Intelligence, 3D Modeling, OpenAI Day
▲ 1 💬 1
#157

Strata: Weather & Sky

Weather with atmosphere.

Strata turns a live forecast into a sky you can feel. Explore the hours ahead through changing light, cloud depth, and an immersive sense of place.

Android, iOS, Weather, OpenAI Day
▲ 1 💬 1
#158

Market Crisis

An anti-gambling financial story inside a living desktop

An anti-gambling financial narrative game inside a simulated desktop. Experience why investors chase rallies and panic-sell, and why expensive collectibles may have no buyers. Read group chats, old forum posts and news; trade fictional stoc...

Indie Games, Simulation Games, Education, OpenAI Day
▲ 1 💬 1
#159 AI

NenoSource

Shared AI assistant for teams that cites its sources

uilt for teams, not solo chats with a PDF. Upload your team's documents once (PDF, Word or TXT), invite teammates, and everyone asks the same assistant. Every answer cites the exact passage it came from, so anyone can open the source and ch...

Productivity, SaaS, Artificial Intelligence
▲ 1 💬 1
#160

Wise Routine

Makes room for your routine around your meetings

Choose what you want to make time for: deep work, a walk, a good stretch. Wise Routine finds room around your meetings and adapts when your day changes.

Mac, Productivity, Calendar, OpenAI Day
▲ 1 💬 1
#161

360º Photo Converter

New Use Case: Building 360 degree tours!

Formats 360º media (photos, movies) to be 360º in Facebook and YouTube. A new use case is making 360º educational tours. Prompt ChatGPT for an equirectangular image, put it into this tool, then post to Facebook. Include links to linked area...

Movies, Photography, OpenAI Day
▲ 1 💬 1
#162

Inza Club

Epic karaoke for free

Choose a song, sing your part, and see your measured practice score. Free to play.

Music, User Experience, Games, OpenAI Day
▲ 1 💬 1
#163

Rivetport

Keep your API contract. Replace your backend.

Rivetport helps teams move to a new API while preserving the contract their existing integrations depend on. Bring current and replacement API specifications into one workspace, review changes, test before publishing, and manage the transit...

Developer Tools, OpenAI Day
▲ 1 💬 1
#164

Jazz Tap

Play jazz with just a tap.

Tap anywhere to play jazz piano with bass and drums. Hold to sustain, release to let the notes fade. Jazz Tap takes care of the notes and chords—you bring the rhythm. No musical experience needed. Just open your browser and play.

Music, OpenAI Day
▲ 1 💬 1
#165 AI

Smart Calorie Tracker, Counter

AI Calorie & Nutrition Scanner

Smart Calorie Tracker uses AI to turn a meal photo into a nutrition breakdown. Get estimated calories, protein, carbs, and fat for the foods on your plate. Just snap a photo and track your meal in seconds.

Health & Fitness, Tech, Fitness
▲ 1
#166

Vedic Timeline — Astrology & Numerology

Vedic Astrology Life Journey, Annual forecast & Numerology

Discover your authentic astrological life journey with Vedic Timeline. for personalised milestones across education, career, marriage, wealth, and health. KEY FEATURES: • Visual timeline from birth to golden years. • Real-time planetary tra...

User Experience, Education, Online Learning
▲ 1
#167

Web Frames

See what you designed, built, and where they drift apart

Web Frames is a native macOS workspace for reviewing real web interfaces. Put localhost, live URLs, and image references side by side on an infinite canvas. Map routes, inspect live DOM elements, leave code-aware comments, compare an implem...

Design Tools, Developer Tools, Vibe coding, OpenAI Day
▲ 1
#168

AtChurch

One single platform for all Christian needs.

AtChurch is the unified church management and Sunday school platform. Free attendance tracking, members directory, and ministry operations.

Android, Education, Spirituality
▲ 1
#169 AI

Habiv

Play and publish AI-made games in your browser

Habiv is a home for games made with AI. Play for free in your browser with no download, climb daily leaderboards, remix what you like, and publish your own game straight from Claude Code, Codex, or any MCP-ready agent.

Games, OpenAI Day
▲ 1
#170

RECLIO

Record your screen. Make it ready to send.

Record your screen, make it look great, and share it in minutes. Reclio is a native macOS recorder with backgrounds, zoom, cursor effects and MP4 export, with no cloud needed. Built for team training, tutorials and workflow demos.

Productivity, Marketing, Menu Bar Apps
▲ 1
#171

Business Directory Bangladesh

Directory ,Business Directory

hebabondhu.com is a business discovery and networking platform that helps businesses showcase their products, services, and capabilities while enabling other businesses to easily find reliable suppliers, manufacturers, distributors, and ser...

Marketing, OpenAI Day
▲ 1
#172

Notse

monitize your study notes

Global student platform for sharing study notes. Upload notes, earn coins, and access materials.

Education
▲ 1
#174

Video Studio Creating Powerful Visuals

Powerful Stories. Stunning Visuals.

Looking for engaging video content that represents your brand professionally? Lamas Empire delivers creative solutions through a dedicated Video production studio. We help businesses transform concepts, messages, and campaigns into compelli...

Marketing
▲ 1
#175

OutlierKit

Make Claude your a YouTube Strategist

OutlierKit helps creators, businesses and agencies grow on YouTube. You enter one channel from your niche. Competitor Studio scans thousands of channels in that space and shows you who leads it, which titles and lengths earn the most views,...

Analytics, Marketing, Streaming Services, OpenAI Day
▲ 0 💬 3
#176 AI

Colabra AI

Codex for M&A due diligence

AI workspace for M&A due diligence that turns sell-side dumps into source-linked findings, financial models, and investment memos for buy-side teams — not another data room.

Productivity, Investing, Artificial Intelligence, OpenAI Day
▲ 0 💬 2
#177 AI

SmartCheck

Count objects in a photo with three example taps

Count materials, parts, products and crops from a photo. Tap three examples and SmartCheck detects similar objects, shows their positions, and lets you review, correct and save the result. No installation or object-specific training data ne...

Productivity, Artificial Intelligence, OpenAI Day
▲ 0 💬 1
#178

ReviewMix

Google reviews and testimonials, together on your site

Get more Google reviews with printable QR codes and review links, reply to every review from one inbox, and embed Google reviews on your website. EU-hosted, free tier.

Marketing, OpenAI Day
▲ 0 💬 1
#179 AI

Infinomni

Turn drawings into 3D creations you can play with and print

Infinomni lets anyone bring their own characters to life. Play with them in your virtual room, and 3D print them into existence. From figures to mini-robots designed, Infinomni designs any forms for the physical world starting with consumer...

3D Printer, Robots, Artificial Intelligence, OpenAI Day
▲ 0 💬 1
#180

Founder.page

Discover and follow the best founders on 𝕏

Discover and follow new founders on 𝕏 and see what they're working on. Home to over 600 founders already and growing fast. Free to list & updated daily

Social Media, Marketing, Startup Lessons, OpenAI Day
▲ 0 💬 1
Type to search HN and engineering blog articles
Press Escape to close  |  ↑↓ to navigate  |  Enter to open