My Projects

All Projects

I built a cycling game where you claim real streets by riding them — looking for testers (Android

https://testflight.apple.com/join/CbFpUB2k

Available on iOS

I built a billboard for the internet. Highest bidder owns it for a week.

http://yourmessagehere.co

One billboard. One winner a week. Bidding closes every Friday at 10:00 PM New York time.

pay-to-rank leaderboards went viral this week. here's the one I built.

https://topple.lol

Every listing melts 50% a day, so #1 is always up for grabs. Get your side project seen.

i got tired of ignoring break reminders, so i built a hamster that hijacks my screen

https://hammyweb.online/?utm_source=chatgpt.com

Hammy is a free Chrome extension that reminds you to take breaks while you work. 100% local, no tracking, no account, no data collection.

Stores trick people with "20% off + 10% off" (it's not 30%) - so I built a free web tool to calculat

https://discountcalculatorfree.com

Fast, free, professional online discount calculator. Calculate percentage off, double & triple stacked discounts, sales tax, bulk savings, and reverse prices instantly.

I built a personal organizer inside WhatsApp because I kept abandoning productivity apps.

https://duncan.cool

Dump your quick notes, links, to-dos and files into WhatsApp. Duncan automatically organizes, tracks and reminds.

Open-source, local-first workout tracker — PWA + Android from one codebase, no account, no subscri

https://nobs.agentas.net

No ads. No subs. No BS. Only the stuff you actually use at the gym.

Every WhatsApp exporter I checked stopped at contacts. Mastros pulls group members to CSV and recent

https://www.mastros.online/whatsapp-scraper

WhatsApp scraper that saves group members, contacts and messages as Excel, CSV or JSON. It only reads, it runs in your browser, and it never sends messages.

I built a free app that turns any TV into a live-projected drink & game scoreboard for house parties

http://barbattle.app

Keep score of your drinking competition with Bar Battle. Live scoreboard on the big screen, unlimited teams and participants, everything in real time. Free app for Android and iOS.

I built an iOS productivity system for when your plan and what actually happened stop matching

https://testflight.apple.com/join/nundd6bS

Available on iOS

Memorion - I spent 8 months building AI memory hardware and the app quietly became the real product

https://memorion.me

24/7 AI-powered wearable memory companion. Captures, organizes, and recalls your conversations automatically.

A guy built a site in 3 hours this week, hit 200k visitors and got a 100k offer. I couldn't sleep, s

http://outbid.lol

No ads, no API keys, no revenue sharing. Just outbid your competition to get to the top. Will you take #1 when this site goes viral?

Okay, I'm ready to publish my second side project

https://slashanywhere.com/

Slash Anywhere: custom slash commands, variables and snippets that work everywhere you type.

Typed enter museum and it opened an actual door into a live 3D world other people are standing in ri

https://rosh.cloud/world/rosh/blocks

rosh.cloud/world/rosh/blocks ... click it. You're in. No signup, no download, nothing to configure. Move with WASD, jump with Space. You're not alone in there - it's shared and persistent, so anyone else who's clicked that link recently is walking around the same room, right now, in real time. Type enter museum in the console (or just walk through the door you'll see) and you're in a second room - same live world, same mechanism, no separate game to load. Here's the e

A habit tracker for people tired of productivity

https://growwitheden.app

Eden is a gentle habit tracker that helps you build healthy daily habits without pressure. Complete your routines, grow flowers in your virtual garden, and take care of yourself one small step at a time.

I spent 18 months auditing AI research errors, then built a protocol to catch them

https://chatgpt.com/g/g-6a5e26093f488191a1fba0261cbcbe39-precise-lite

📌 PRECISE LITE - a smaller, streamlined version of PRECISE created for demonstration purposes only. https://precise-research.teachable.com/p/precise-protocol

I built a voice-first card-counting trainer. Under 3% of 50,000 hands actually used the voice… peo

http://pracjack.com

A dealer that talks back, coaches basic strategy, and teaches you to count. Free while in beta — no sign-up, no real money.

I built a Pokédex for real animals. 78 people signed up, 7 subscriptions, now what?

http://dobudex.com/reddit

Download dobudex on iPhone or Android.

As a Magic the Gathering player I got tired of pricing decks across five different websites, so I cr

http://www.manahaul.com

Turn any decklist into a shopping list. Scan your cards, see what you own, and buy what's missing — compared across five marketplaces, shipping included.

I spent a year drawing 2,000+ assets for a product that never took off, so I released them all for f

https://kitbitz.art

2,000+ free hand-drawn illustrations for your projects. Download SVG and PNG assets, use ready-made Figma kits and components, browse with the Figma plugin, or connect through MCP. Free for commercial use under CC0.

[Web] Just One Chess - Minimal, distraction-free chess web app with randomized master openings

https://justonechess.com

Play a clean, beautiful, distraction-free chess game against a powerful AI.

billboardo is the place to showcase your work.