Browse All Side Projects from Reddit

All Projects (4,116)

I built Temply: a visual editor for transactional emails, with an API for rendering them in your app

Build transactional email templates with a visual block editor. Preview responsive HTML and render it from your app with the Temply API.

SolarSystem.city a Space Themed Walking City Tour

A city-scale AR mission. One sun card turns your city into a true-scale model of the solar system — a different walk in every city.

I built a side hustle validator for people with too many ideas

Free advice from a frog with no stake in your idea. A straight verdict on your side hustle idea, who would pay, a first test, and names with an open .com.

Spec Architect: a ~27 MB Tauri app for spec-driven development with AI agents

Conduza Claude Code, Codex e outros agentes de IA por proposta, especificação, tarefas e finalização. Compatível com projetos OpenSpec. Gratuito para Windows e Linux.

I built a tool that finds all the old accounts you forgot about. Looking for feedback

Your old accounts still hold your name, email and sometimes a card. Quitlist finds the ones you forgot in your inbox and helps you close them. Free to start.

My side project, KeyUp: push-to-talk for phones and watches. Crown talk, raise to talk, screen-off t

Talk from an Android phone, a Wear OS watch, an iPhone in Safari and a dispatch console with a radio at the gate. An interactive demo that runs in your browser and never uses your microphone.

I needed a simple app for assigning items into buckets so I created one

Type or speak a list of items and buckets, let AI recognize them, then drag and drop to assign without overfilling capacity. Share assignments for others to review.

we vibe-coded geopolitics into a browser game

A live map of 174 nations climbing from the Stone Age to the Space Age. Pay in USDC to push one forward, shield it, or strike a rival.

I built a free Windows game launcher because I kept spending more time picking a game than playing o

All your PC games in one place (Steam, Epic, GOG and non-Steam), plus a shuffle button for when you can't decide what to play.

I built Cue, an open-source mac app that turns voice requests into parallel AI agents

A little AI assistant for your Mac. Say what you want done, keep working, and be the first to try Cue.

My first Engineering blog website

Some pieces from my software engineering journey, written down along the way.

I built a free site to find where to legally watch any anime in your country (no ads, no account)

Find which legal platform streams any anime in your country (US, Canada, UK, Europe, Latin America, Asia), the weekly release schedule in your time zone, and ideas for tonight.

I got tired of wondering where all my Claude Code tokens were going, so I built optimAIzr

A free, open-source CLI and Claude Code mod: see what every turn costs, and switch to a cheaper model mid-session when it pays.

I built a free Secret Santa name generator that runs 100% in your browser

Free Secret Santa generator without email or sign-up. Keep couples apart, draw names, then send private links by WhatsApp, text or your own email app.

I built the dumbest website on the internet: you pay SOL to be on a list. That's it.

@larpd.wtf · The decentralized SOL leaderboard for LARPING.

I built an on-device image-to-vector app for people who print and cut their own designs

Convert images and AI artwork into scalable SVG vectors, prepare designs for print, and create cutter-ready files with private on-device processing.

Kill Switch: A Remote Kill Switch For AI and AI Agents

A real chatbot with Kill Switch in front of it. Write your own rules, watch messages get stopped, and see what each check costs in milliseconds.

I'm building a mystery you can 3D print — meet The Alchemist's Study, and try the free introductio

The Apprentice’s Test: a free public beta browser mystery with five trials. Author-estimated 25 minutes. No printer or purchase required; open the case file.

I built a JSON formatter for myself and now use it every day at work

A fast, private, client-side JSON formatter, validator, and interactive tree viewer with deep search. 100% client-side & zero dependencies.

Pathly - watches a real user path, not just HTTP 200

Paste a URL: EU response time, TLS, broken links. Then Ping, Flow and Chain to watch the journey. No account, no card.

Why are most recipe apps paid or unefficient? I made a free & open source app, Cuicuit 🐥

Your favorite kitchen companion! Import recipes, jot down meal ideas and things you're missing at home, and Cuicuit turns them into a convenient shopping list. Think about meals, not ingredients. Open source & self-hostable.