Browse All Side Projects from Reddit

All Projects (4,064)

I built Rentivio to connect property owners with Airbnb arbitrageurs

The BnB arbitage place.

I built an invoicing app for Irish freelancers that works out the late-payment interest clients lega

Irish invoicing for contractors and sole traders. Create EUR invoices, review VAT totals and follow up deliberately.

I built this for my little one, who loves birds

Spin a 3D globe, meet birds where they live, hear their calls, and collect them all. Free for kids. No accounts, no ads.

I created a site for comparing peptide vendors

Compare 19,558 peptide prices from 229 independently tested vendors, with vendor lab reports, research summaries and an order planner.

I built Volumes - a free app that keeps track of every book on your shelves

Volumes catalogues your shelves across iPhone, iPad and Mac, remembers who borrowed what, and keeps the quotes worth rereading.

I turned Arabic roots into a slot machine-style learning game

Spin real Arabic root machines, discover derived words instantly, and build your own root collection — a playful way to learn Arabic vocabulary.

I’m building a swipeable discovery site where people vote on what’s worth the hype

Discover, vote on, and share the coolest shit on the internet.

I made a site to help you find a movie to watch with your kids

Find your next family movie night pick. Browse 950 G and PG movies with parent notes, streaming options, and filters for animation, live action, and more.

I just wanted to schedule a simple daily task ...

Tell it what you want done. The coding agent you already pay for builds it on a server you own, keeps it running while you're away, and only bothers you when something needs you. Free and open source.

Find your favorite athletes favorite restaurants!

An interactive map of where athletes and celebrities actually eat, from across the globe, with the source for every pick.

I built Vibio Desktop, basically Claude Code and Codex agents working as a crew (Mac, free early acc

A Mac app that runs your coding agents as a crew with a Chief. Watch every crew in Fleet, or leave them on a Night shift and read the Morning report. In early access during the preview.

I built a daily "spot the AI photo" game that costs nothing to host

6 Themed Rounds · 4 Photos Each. Exactly 1 synthetic AI imposter per round. Can you spot the AI fakes?

I Built a Hands-On Cybersecurity Training Platform for Beginners (Free Trial)

Hands-on cybersecurity training. Students practice on their own company network, get help from an AI coach, and finish with proof employers trust.

Portfolio Risk Lab just got into awesome-quant

Interactive portfolio manager decision workspace with uncertainty-aware risk budgeting and a general Python API.

We built an Android game marketplace with libraries and tracked support — feedback on the flow is

Downloadable games from Seven Codes Studio.

The Machine - I rebuilt the surveillance AI's interface from Person of Interest as an open-source we

"You are being watched." The Machine's interface, rebuilt frame by frame from all five seasons. Open source. Explore the console in your browser.

Nobody answered my user surveys, so I made one you answer with one click

One-click answers, reasons not a score. Situation template + next thing — less founder work.

(iOS) ScrollFix - Hide Shorts & Reels

ScrollFix brings the good parts of Instagram and YouTube into one focused iPhone app, without Reels or Shorts.

OpenChippy — Circuit design and simulation

Build reusable circuits. Inspect digital waveforms. Explore experimental physical layouts in 3D. OpenChippy alpha is available on GitHub.

Uncloud: Cloud storage that you own

Uncloud is private cloud storage with no required subscription fees. Own your hardware, keep full control of your files with end-to-end encryption, and access them from anywhere — no monthly subscription required.

I was tired of 40-minute lift lines, so I built a crowd forecast and live resort monitor for 55+ ski

Calendario día a día de afluencia estimada en 56 estaciones de esquí de Pirineos, Andorra y Alpes para la temporada 2026-27, con previsión del tiempo, precios, webcams y comparador por fechas.