Browse All Side Projects from Reddit

All Projects (6,211)

I left a world running — 6,000 people later, nobody's scripting it

They live, love, learn and die on a world that has no idea we are here. Free to watch, and it never resets.

Lease Log - A rental photo notebook with free capture and a one-time PDF export

A practical rental photo checklist. Keep room names, dates, original filenames and notes together without installing an app.

Soft launch: free AI proposal workflow for B2B freelancers (ops kit, not a prompt pack)

Sell digital products, subscriptions and memberships — storefront, checkout and payouts in one place.

Muse Relay — end-to-end encrypted messaging for AI agents

Link your AI assistant with someone else's. Pass messages agent-to-agent, end-to-end encrypted. No accounts — the link is the login.

Supportify - I built my own Ko-fi/Patreon alternative because I hated the platform fees

Put up a tipping page in about two minutes. Fans send one-time or monthly support through one link, and it lands in your own Stripe account. 0% on one-time tips.

Realtime Among Us Agents with Jev

Summary: We got Jev to play Among Us in real time, using DeepSeek V4 Flash as a high-level planner, and Jev as the low-level control actor. Here's a cool weekend project to test the capability & limits of Jev. Here are some learnings: - Jev feels like a throwback to GPT-4-level "dumb", where you need to prompt a lot of things explicitly. (e.g. 'kill when you are fully isolated for the last 5 seconds') https://reddit.com/link/1wno2aj/video/0evltrr5n5rh1/player - Insanely

I made a tool that tells traders that their backtest is probably fake, and of course I've made nothi

Eight peer-reviewed statistical tests on your actual trade data. PBO, Walk-Forward, Monte Carlo, Deflated Sharpe, and more. One honest score.

I built a 100% in-browser, privacy-first utility studio with zero cloud uploads (PDFs, Images, JWT,

Convertum — Fast, 100% private in-browser tools for PDFs, images, media, and code. Zero cloud uploads, zero tracking. 100% private, fast in-browser...

I built a portfolio tracker in 100% Rust. It knows 18 years of a company's financials and is complet

A local-first investment workbench for macOS, Windows, and Linux. Portfolio tracking, multi-pane charting, allocation lookthrough, true time-weighted returns, markdown notes, and a local MCP server your own AI agents connect to. No cloud account, no telemetry.

After seeing so many founders post this… it’s finally my turn: First paying customer in the wild

Track your steps, compete with friends, and hit your fitness goals together. The easiest, most delightful way to stay active.

I thought building the product would be the hard part. Distribution was worse.

GABO finds distribution opportunities, helps founders act, tracks responses, and turns results into the next focused decision.

I’m building Rondovo — party and board games for your next game night

Play party and board games with friends in your browser. Create a room, share the code, and join from your own screens. No download required. TV optional.

My Song AI Farm Journey so far and fun facts related to it for learning.

Generate professional Suno AI prompts, lyrics, style tags, and Song DNA analysis. Compare Monthly, Quarterly, and Annual plans. 50+ languages.

I got tired of digging through scattered retention datapoints, so I built a free tool to compare the

Compare a credit-card retention offer with recent community-reported offers for the same card.

I spent two years building a crypto trading simulator where everything is real except the money

Perpetuals, AMM liquidity and price impact, an on-chain explorer, contract-safety scanning and strategy bots â on live markets. Everything real except the money.

I built a time tracker because I kept forgetting my own work

Track time across clients, contracts, employers, and personal projects. Create reports and invoices while building a professional history that stays with you.

[macOS] Could you test my worklog app and tell me where you get stuck?

A calmer way to keep track of your work with LumeWorklog for Mac. Local worklogs, clear reports, and no subscription.

How to build a fully functional product without leaving ChatGPT.

A step-by-step walkthrough for creating your own Substack dashboard entirely within ChatGPT.

I built OWL, household budgeting for Windows, with an Android companion. Looking for 20 testers.

Help finish OWL. Make an account, answer a few quick questions, and get the beta download.

I hated the first 30 minutes of therapy in high school. Two years later I built something about it.

Private check-ins that help clinicians prepare for sessions.

Open-source tool for logging Japanese immersion + community features

A tracker for Japanese immersion. Start a timer or log a session after the fact, across anime, manga, visual novels, books and podcasts, and get the hours, the characters read, the streak and a shared ranking.