Browse All Side Projects from Reddit

All Projects (4,277)

I built a shipping calculator that starts with the item, not a box — can you test it?

Tell us what you're shipping — we'll figure out the rest. SMKlog estimates packed size and weight and routes it to parcel, LTL, truckload, or container. No scale, no tape measure.

I’m a mechatronics engineer who built a lightweight uptime & 30-day SSL monitoring tool. Looking f

Continuous endpoint monitoring, SSL certificate auditing, and multi-cloud contract tracking in a unified suite.

I missed randomly finding weird little websites, so I made this

Interesting websites, fun experiments and genuinely useful tools. Browse categories, search for a site, or leave your discovery to chance.

Glimbo - A discord bot that turns your server into a trading card game, looking for honest feedback

Your inside jokes deserve a first edition. Turn Discord memes and server lore into collectible cards. Open packs, trade with friends, and battle your server's legends. Free to add.

I built a birthday-freebies finder for 12 Canadian cities

Every birthday freebie in your Canadian city, checked against the brand's own page — not a stale listicle. Local spots and chains, with lead times noted.

Trying a student-led debugging cohort in India (voluntary, unpaid)

Get free Buglyst debugging training, lead campus practice, and earn a verifiable certificate, recommendation letter, and branded T-shirt as a Campus Ambassador.

After 4 years of work, warecache is the hardware answer to inventory problems

Eliminate human error and streamline your inventory with intelligent hardware sensors and powerful software integration. Open source, self-hosted.

Built a 1-dolla tool that turns your PMF survey into a real score. I would really love feedback

Validdy is the PMF validator built around the Sean Ellis survey — upload your responses, get an instant score, a fan/skeptic breakdown, and a clear roadmap. $1 per report.

SplitKeyboard - an iPad keyboard you can fit to your thumbs

Bring the keys within thumb reach. Adjust their height, position and distance from the edge. Free in-app preview; a one-time purchase unlocks other apps.

I built a daily "Who am I?" game from Wikipedia categories, with AI as my coding partner

Chaque jour, cinq sujets à deviner à partir de leurs catégories Wikipédia. Du plus accessible au plus coriace.

I built a website that suggests random Wikipedia science articles

Find Science Wikipedia Articles to read, Suggest Science Wikipedia articles to read

I built a service that lets iOS developers hire real TestFlight testers

Get real TestFlight testers for your iOS app. Test iPhone and iPad apps for bugs, UX, performance and functionality with detailed QA feedback.

I vibe-coded a 100% in-browser suite of financial calculators & converters over 2 weekends. Looking

Convert JSON, CSV, Excel & XML spreadsheets instantly in your browser. 100% private, zero server uploads for small files.

I made a digital disposable camera for events with an extra

A digital disposable camera for every guest, and an AI photobooth in every pocket. No app, no account. One price per event from €29 incl. VAT.

Unfoldary - an AI learning canvas where you can follow a side question without losing the original e

Explore any subject on an interactive learning canvas. Start with a question and see how it connects.

I made a place to host the little apps you build with AI

We host the apps you build with ChatGPT, Claude, or another AI. Your apps are private by default, but you can share them like a Google Doc.

I built a Figma + React design system that also gives AI coding agents structured component contract

React and TypeScript design system with accessible, token-driven components, a shadcn-compatible registry, a paired Figma library, and machine-readable contracts for AI coding agents.

Me an my friends wanted a fun app to help us train for Hyrox

Pointed at HYROX Nashville, 75 days out. Best times at 8 of 8 stations, 8 sessions logged on RoxTarget.

bluffalo.in: Made a fun game for friends gathering(3 or more friends)

Write a convincing lie, then spot the real answer among everyone else's. A party game for 3-20 players, one device each. Free to play in your browser.

Introducing Alcove! A free Windows workspace for shortcuts, folders and apps

A visual workspace for Windows. Keep shortcuts, folders, apps, and tools on a grid you open with a hotkey.

Fjordfall - a Norway skate game where you can build courses with your own AI agent

Your Fjordfall workshop: connect your own agent, tell it the ride you want, and watch the course take shape live.