Fri, Sep 18 · 148 submissions

#1

Nepotism Network

Great things start by knowing friend of a friend of a friend

Someone you know knows someone you wish you knew. Nepo Network maps these connections between you and the people you want to reach on X, uncovering potential paths to a warm intro. Explore ranked routes, see who connects each step, draft yo...

Social Media, Social Networking, OpenAI Day
▲ 171 💬 22
#2

ApplySeed

Raise your seed from accelerators

Raise money from accelerators and programs that give you a clear Yes or NO, instead of another “let’s keep in touch.” Bring what you already have: a deck, your notes, or use our prompt with ChatGPT to generate your startup info. ApplySeed t...

Fundraising, OpenAI Day
▲ 139 💬 56
#3

Maaa

A mom in your Mac’s notch, looking out for you

Meet Maaa, a familiar face in your Mac’s notch. Gentle reminders to drink water, eat and take a break, in 12 languages. For macOS 14 and later.

Mac, Menu Bar Apps, OpenAI Day
▲ 112 💬 16
#4

cubicles.lol

A metaverse for builders, side projects, and bad driving

Give your project a place people can walk into. Claim a cubicle, customize your space, and meet the builders next door. Race cars, go fishing, or grab a skateboard when you need a break. A multiplayer metaverse built with GPT-6 Astra. Free ...

Games, Social Networking, Community, OpenAI Day
▲ 96 💬 7
#5

Edgee Codex Compressor V2

Use Codex at 35.6% lower costs

We benchmarked Codex alone against Codex routed through Edgee's compression gateway on the same repo, with the same model, under the same workflow. The result: Codex + Edgee used 49.5% fewer input tokens, improved cache hit rate from 76.1% ...

Software Engineering, Developer Tools, OpenAI Day
▲ 90 💬 2
#6

Mola

Build your café, hire a team, and grow a coffee chain

Mola is a cozy 3D café tycoon for Android. Serve customers, hire baristas and cleaners, arrange furniture, and expand across three districts. As your café gets busier, balance queues, stock, seating, and staff. Built with GPT-6 Astra throug...

Android, Indie Games, OpenAI Day
▲ 82 💬 2
#7

Reactor Atlas

Every nuclear reactor on Earth, mapped since 1954

301 nuclear sites and 779 reactor units worldwide on an interactive globe, with a timeline running from 1954 to today. Every unit has a technical record built from IAEA PRIS, Global Energy Monitor and Wikidata, cross-checked and corrected a...

Education, Science, Data Visualization, OpenAI Day
▲ 79 💬 3
#8

Try The Apartment

A real apartment in 3D, just drag furniture & see what fits

After five viewings the places blur. This is one real apartment, rebuilt in 3D with GPT-6 Astra from the owner's phone walkthrough. Orbit it, drag in 23 pieces of furniture, get warned when something won't fit, open the doors, share the lin...

Design Tools, Home, Interior design, OpenAI Day
▲ 73 💬 2
#9

Mercury Pitch

Virtual rehearsal studio with instant performance feedback

Free browser practice studio that hears you play — vocal pitch training, vocal range tests, karaoke with live scoring, and guitar, piano and drum rooms that show every note you hit.

Music, Open Source, GitHub, Community, OpenAI Day
▲ 70 💬 2
#10

Second Eyes

Automatically shortlist photos for faster publishing

Second Eyes helps you sort photos, understand the shortlist, and make the final call. For business briefs or personal needs, see why each photo was shortlisted and what still needs checking. You decide what to publish. Explore a real media ...

Productivity, Photography, GitHub, Data & Analytics, OpenAI Day
▲ 65 💬 11
#11

Notch Design

Give your notch a personality

Give your MacBook notch a personality. Notch Design adds music visualizers, battery and progress rings, animated styles, a pull-down lamp, and an expandable utility dock—all designed to feel like they grow directly from the notch.

Design Tools, Productivity, OpenAI Day
▲ 65 💬 2
#12

Poke Battle Announcer

Give your Pokémon Champions battles a live announcer

Add live commentary to Pokémon Champions on iPhone and Android. Play on your phone, or point its camera at your Switch or TV. Battle text is read on-device to trigger announcer clips.

Android, iOS, Pokemon, OpenAI Day
▲ 65 💬 1
#13

Guild Manager

Run your guild in one place, inside Discord

Replace the bots and spreadsheets your guild runs on. Roster, events, attendance, loot and analytics in one app, with two-way Discord role sync, DKP auctions and voice attendance. Each game gets its own setup. Free for guilds of any size. 4...

Productivity, Games, Community, OpenAI Day
▲ 63 💬 1
#14

Shall We Talk

Voice dictation that saves transcriptions on iPhone and Mac

Shall We Talk turns speech into clean text on iPhone and Mac. Dictate into any app with a voice keyboard that types at your cursor, Shortcuts, or a Mac hotkey, and record meetings into speaker-labeled transcripts and structured summaries. C...

Productivity, GitHub, OpenAI Day
▲ 62 💬 1
#15

OpenAlgo Charts

OpenSource Charting Terminal for Financial Portals

Production-grade charts built for brokers, exchanges, trading platforms, and financial portals. Bring your own market data, plug it in, and deliver a complete charting experience without building the charting stack from scratch. Open source...

Open Source, Fintech, Developer Tools, GitHub, OpenAI Day
▲ 61 💬 1
#16

Galactic Receipt Scanner

Turn your phone into a hands-free receipt scanning station

Deploy your own private scanner on ChatGPT Sites. Capture receipts hands-free with your phone, then use ChatGPT Work to parse receipts and invoices. Stress-tested with 800 receipts so far and continuously improved through real-world use.

Productivity, GitHub, OpenAI Day
▲ 61 💬 1
#17

Unfetch.com

Let ChatGPT and Claude manage your ads.

Unfetch connects Google Ads, Analytics, and Search Console to the AI tools you already use. It gives ChatGPT, Claude, and other AI clients the live evidence they need to provide useful marketing answers. Use it for reporting, optimizations,...

Marketing, Advertising, OpenAI Day
▲ 60 💬 1
#18

Nina's Little Universe

Interactive 3D space science for curious little minds

Nina's Little Universe is a handmade, interactive science world I built for my five year old daughter. Children spin Earth to discover day and night, explore Moon phases and eclipses, experiment with light, and meet planets through touch-dr...

Kids, Education, Kids & Parenting, OpenAI Day
▲ 54 💬 1
#19

Forma-oss

urn a prompt or image into an editable hardware project

Forma turns a prompt or image into an editable hardware project with parts, wiring, mechanical layouts, cost estimates, and assembly instructions. Its open-source, local-first workspace connects supported AI agents to shared project data, r...

Productivity, Hardware, GitHub, Tech, OpenAI Day
▲ 53
#20

UItopic

Curated UI sections and components, updated daily.

A hand-picked library of real product UI, sorted by what you are actually looking for, with the designer credited on every single piece. Replace the screenshots folder, the Pinterest board and the twelve tabs you left open, with one library...

Design Tools, Web Design, Design resources, OpenAI Day
▲ 9 💬 1
#21

LayerProof Linen

Create UGC videos that convert

Meet LayerProof Linen: the easiest way to produce high-converting UGC videos. Just upload a product photo and describe your idea. Linen instantly creates an editable script and storyboard, lets you choose your narrator, and generates multip...

Social Media, Marketing, Photo & Video
▲ 6 💬 7
#22

Smashly - Badminton Tracker

Score, Track & Learn Badminton

Score matches in seconds, keep every result on record, and settle any rules debate instantly. Smashly is the fastest way to keep score in badminton, built for iPhone.

Health & Fitness, Sports
▲ 6 💬 1
#23

Ramus

Cloud Android emulators for faster development and testing

Ramus allows you to easily spin up short-lived Android emulators. Developers, teammates, and AI agents can use Ramus to test, verify, and share changes instantly. Connect GitHub, select a repo, and Ramus will automatically build and add a l...

Android, Developer Tools, Vibe coding, OpenAI Day
▲ 5 💬 7
#24

Just Catching Up

A private place for your people. No ads. No addictive feeds.

Keep up with friends and family without the noise. Share posts, photos and videos with mutual connections or invitation-only spaces. Read everything in order, reach the end, and get on with your day. No ads, public profiles, ranked feeds or...

Social Network, Privacy, Family, OpenAI Day
▲ 5 💬 1
#25

Finish the Story

A personal website you can play inside Halo 3’s Guardian

Finish the Story is my first personal website, built as a playable first-person experience inside Halo 3's Guardian - the map where my friends and I spent countless hours growing up. Explore it through quests, photos, and mini-games tied to...

Adventure Games, Indie Games, Free Games, OpenAI Day
▲ 4 💬 4
#26

Monogram

Lifetime Free email on your own domain

Connect your domain and start sending and receiving email in minutes for free for lifetime. Hate other email interfaces ? Don't worry you can use the same Gmail interface that you use or switch to ShadCN themed interface.

Email, OpenAI Day
▲ 4 💬 1
#27

SpareDisk

Storage Analyzer & Cleaner

Find the big files, forgotten backups and duplicates filling your Mac. SpareDisk maps the folders you choose and lets you review what goes to Trash.

Mac, Productivity, Tech, OpenAI Day
▲ 4 💬 1
#28

DisplaySpan

Your multi-monitor Mac working as one

DisplaySpan is a small native Mac menu bar app. It repairs cursor edges macOS won't cross, restores saved display positions after reconnects, and controls supported monitor brightness. macOS 14+. 3-day free trial, no credit card.

Mac, Productivity, Menu Bar Apps, OpenAI Day
▲ 4
#29

Baltic Launch

Discover what's being built in the Baltics

Discover products, startups, apps and digital projects being built across Lithuania, Latvia and Estonia.

Marketing, Community, OpenAI Day
▲ 4
#30

Moorline

Never forget to close the loop with a customer

Moorline is a native Mac support workspace for solo software founders. It tracks whether the work is handled and whether the customer was told, so a shipped fix, sent refund, or answered question never disappears before the loop is actually...

Mac, Productivity, Customer Communication
▲ 3 💬 1
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