My Projects

All Projects

My side project hit #1 on Show HN (~1k points) - Bento: An entire PowerPoint in one HTML file (edit+

Over the past few months, our team has been building more and more slidedecks using web frontend technologies with coding harnesses like Claude Code, but a common complaint is to make even small edits we need to edit the code either manually or via the harness. To avoid this loop, I ended up creating Bento, a single HTML file with everything you need in a slide tool including animations and shared editing. There's no install or cloud login, everything works offline. The default deck is

I built a leaderboard site around one quote: "if you ain't first, you're last."

https://ifyouaintfirst.com/j/NRY52JhqhD8I?utm_source=reddit

You've been challenged. Votes is the metric, the standings are live, and somebody's last. Takes 10 seconds to join.

I built ShootSm.art, an AI photography coach that lets you select your exact camera body and lens.

http://ShootSm.art

Camera-specific starting settings, explained — plus recipes, cheat sheets, and a photography encyclopedia.

I wanted to drag pages between PDFs without the merge-split-remerge loop

https://localpdf.online/app/studio

LocalPDF Studio is a local-first PDF workspace for editing, merging, OCR, conversion, and document review.

EdgeLog - Trading Journal & AI Trading Coach

http://edgeloghq.com

Import your trades, track your edge, and get AI-powered coaching built for futures day traders and prop firm accounts.

Nstride - smarter trail running routes with climb detection, map animations and comparisons

http://getnstride.com

Preview any trail in a 3D flyover and break it into segments so you know the climbs, descents, and terrain before you run it. Free route finder for 100,000+ trails worldwide.

What happens when a dozen volunteer developers keep expanding a simple text RPG for nearly 8 years?

https://crownicles.com

Join the Crownicles adventure on Discord! Explore a medieval world, battle monsters, complete quests, and win the kingdom's princess's hand in this immersive multiplayer RPG.

Looking for feedback: Would marketers actually use a WhatsApp automation platform like this?

https://app.betaxlab.com/

Hi everyone, I'm building a SaaS focused on helping businesses automate customer communication on WhatsApp. The goal isn't another chatbot. It's to automate the repetitive parts of the customer journey while keeping the conversation natural. Some use cases we're focusing on: Instant lead response from Meta Lead Ads Lead qualification with AI Appointment booking Automated follow-ups Recovering abandoned conversations Customer support with human handoff Shopify/WooCommerce order u

I built a zero-dependency Nmap alternative in Python with 9 built-in scanning engines

http://scanme.nmap.org

https://github.com/urbanyl/Npocket 100% Python standard library, zero external dependencies, runs on Windows/Linux/macOS. What it does in one command: TCP/UDP port scanning (async, thousands of ports/sec) Service & version detection (HTTP, SSH, FTP, SMTP, MySQL, PostgreSQL, Redis, MongoDB banners) OS fingerprinting (TTL-based, 13 signatures) Subdomain enumeration (200+ common subdomains) DNS record enumeration (A, AAAA, MX, NS, TXT, CNAME, SOA) Multi-protocol bruteforce (FTP, SSH, HTTP Basi

I made a small tool that makes my coding agents jingle when they are done cooking

http://jingler.kavostudio.dev

Native macOS sound cues for Codex, Claude Code, Cursor, and OpenCode.

Feedback Needed: Built GuardAI (Zero-logs AI prompt privacy firewall)

https://ai-governance-securi-2p4r.bolt.host

Hi everyone! I built a client-side AI prompt data masking engine (GuardAI) to automatically redact API keys, passwords, PII (emails/Aadhaar), and financial details before sending prompts to LLMs. I would love your quick, honest feedback on the live scanner: https://ai-governance-securi-2p4r.bolt.host Does the scanner detect your test inputs correctly? What custom filters or features should I add next? Would your development/agency team use something like this? Thanks for testin

My co-founder and I are building a palm-sized panic-button device with no live tracking — feedback

https://joinredwhistle.com?src=reddit-sideproject-w1-1

Double-press. Someone knows. Hold. Everyone responds. A palm-sized personal-safety device that fits on your keychain, for the moments you can't reach your phone. Reserve your spot free.

Interdimensional Radio - A radio where every station broadcasts from a different universe.

https://idradio.live

Ever wish interdimensional cable from Rick and Morty actually existed? I built the radio version of it. Try it here: https://idradio.live Interdimensional Radio lets you tune into radio stations from other dimensions. You might land on a deep house station broadcasting from a city made of crystallized caramel, where everything is mixed in C minor so the buildings don't crack from the dancing, or maybe a lo-fi station transmitting from inside a sleeping giant. Every station has its own univer

I built a daily guessing game for NHL players — PuckWhisperer

https://puckwhisperer.app

Guess the mystery NHL player in 3 tries or less. Unlock hints, spot the trophies, and try a new Daily Challenge every day.

I built a collectibles price guide that spans cards, LEGO, coins, and toys — need 5 honest testers

https://www.collectaio.com/r/side-project-collectors

Track collectible markets across cards, LEGO, coins, sneakers, toys, and entertainment collectibles with sold comps, active listings, confidence labels, and drop tracking.

Nash iOS Apps — three privacy-first TestFlight betas seeking blunt feedback

https://testflight.apple.com/join/3vR26BrG

Available on iOS

I'd used a dozen different countries/places visited map trackers over the years, each missing someth

https://explorersmap.net

Mark countries, regions and cities on your personal travel map. Share your progress, climb the leaderboard, and discover how much of the world you have explored.

I built an institutional NFL data terminal that audits 44 situational factors against 10 years of ma

https://seebet.ai

Independent sports betting analytics & intelligence. Today, every NFL game â current devigged win probabilities, line-movement attribution, and a decade of out-of-sample backtesting that shows what's priced in versus what's noise. No picks. MLB expected Summer 2026; NBA expected Fall 2026.

I got tired of cleaning messy lists manually, so I built a 100% private web tool that runs entirely

https://browser-toolkit--daviddokholyan7.replit.app

Text Tools — built on Replit. Update this description to reflect the app.

posted 3 times, got nothing. today someone I don't know used it

https://devdex.tech/

Your repos deserve better than a pinned list. DevDex turns any GitHub username into a Steam-style builder world — levels, streaks, achievements, themes.

I built an iOS strength app that adjusts training based on recovery

https://zenshinapp.com

Free workout logging and daily readiness, with optional recovery-aware training. Private. No subscription.

billboardo is the place to showcase your work.

All Projects

My side project hit #1 on Show HN (~1k points) - Bento: An entire PowerPoint in one HTML file (edit+

I built a leaderboard site around one quote: "if you ain't first, you're last."

I built ShootSm.art, an AI photography coach that lets you select your exact camera body and lens.

I wanted to drag pages between PDFs without the merge-split-remerge loop

EdgeLog - Trading Journal & AI Trading Coach

Nstride - smarter trail running routes with climb detection, map animations and comparisons

What happens when a dozen volunteer developers keep expanding a simple text RPG for nearly 8 years?

Looking for feedback: Would marketers actually use a WhatsApp automation platform like this?

I built a zero-dependency Nmap alternative in Python with 9 built-in scanning engines

I made a small tool that makes my coding agents jingle when they are done cooking

Feedback Needed: Built GuardAI (Zero-logs AI prompt privacy firewall)

My co-founder and I are building a palm-sized panic-button device with no live tracking — feedback

Interdimensional Radio - A radio where every station broadcasts from a different universe.

I built a daily guessing game for NHL players — PuckWhisperer

I built a collectibles price guide that spans cards, LEGO, coins, and toys — need 5 honest testers

Nash iOS Apps — three privacy-first TestFlight betas seeking blunt feedback

I'd used a dozen different countries/places visited map trackers over the years, each missing someth

I built an institutional NFL data terminal that audits 44 situational factors against 10 years of ma

I got tired of cleaning messy lists manually, so I built a 100% private web tool that runs entirely

posted 3 times, got nothing. today someone I don't know used it

I built an iOS strength app that adjusts training based on recovery

Contact

Help

All Projects

My side project hit #1 on Show HN (~1k points) - Bento: An entire PowerPoint in one HTML file (edit+

I built a leaderboard site around one quote: "if you ain't first, you're last."

I built ShootSm.art, an AI photography coach that lets you select your exact camera body and lens.

I wanted to drag pages between PDFs without the merge-split-remerge loop

EdgeLog - Trading Journal & AI Trading Coach

Nstride - smarter trail running routes with climb detection, map animations and comparisons

What happens when a dozen volunteer developers keep expanding a simple text RPG for nearly 8 years?

Looking for feedback: Would marketers actually use a WhatsApp automation platform like this?

I built a zero-dependency Nmap alternative in Python with 9 built-in scanning engines

I made a small tool that makes my coding agents jingle when they are done cooking

​Feedback Needed: Built GuardAI (Zero-logs AI prompt privacy firewall)

My co-founder and I are building a palm-sized panic-button device with no live tracking — feedback

Interdimensional Radio - A radio where every station broadcasts from a different universe.

I built a daily guessing game for NHL players — PuckWhisperer

I built a collectibles price guide that spans cards, LEGO, coins, and toys — need 5 honest testers

Nash iOS Apps — three privacy-first TestFlight betas seeking blunt feedback

I'd used a dozen different countries/places visited map trackers over the years, each missing someth

I built an institutional NFL data terminal that audits 44 situational factors against 10 years of ma

I got tired of cleaning messy lists manually, so I built a 100% private web tool that runs entirely

posted 3 times, got nothing. today someone I don't know used it

I built an iOS strength app that adjusts training based on recovery

Contact

Help

Feedback Needed: Built GuardAI (Zero-logs AI prompt privacy firewall)