Browse All Side Projects from Reddit

All Projects (6,181)

I've spent months building a digital artwork that changes every time someone interacts with it. 734

A global participatory artwork built from anonymous reflections. Add a brief reflection, watch the live mirror change, and follow collective feeling over time.

I launched my first Mac app: Portmole, a tiny tool that finds and closes forgotten localhost servers

Portmole is a tiny macOS menu bar app that shows every process listening on a port, by page title, start command and project folder, and closes it in one click. Free download; Pro restarts and runs your projects.

I made Layoff Map to track layoffs around the world

Track tech and startup layoffs by country and reason: a live map of recent layoffs, company histories and statistics, every event linked to its source.

I made an app where you build your own mini "stores" for exactly what you want to buy

Create your own personal clothing stores, each with its own rules. You could make one for discounted running clothes from your favorite brands, or build another around your Pinterest board with nothing over $60. Have complete control over what belongs in each.

I built Codecast to explain repos, PRs and agent-written changes as narrated videos inside Claude Co

Hey all, I’m Sid, and I’ve been building Armature, a system that turns dense, complicated, high entropy information into rich, well explained videos. Codecast is our applied product for code and agentic work. You ask your coding agent something like: • /codecast explain what this repo does • /codecast walk me through the changes you just made • /codecast explain this PR or explain this plan before we build it Your agent picks the relevant files and lines, and a minute or two late

I built a checker that compares Stripe payments to who has access in your app. What edge cases am I

Run a free, one-time check of one app: find customers who paid in Stripe but have no access, cancelled users still inside, double charges and failed webhooks. Read-only restricted key, nothing stored.

Built a daily history storytelling platform using AI coding tools

I’ve been building Neugil, a platform publishing daily illustrated history stories. The platform was developed with AI coding agents, using a spec-driven approach, automated testing, CI/CD, and automated content publishing. AI also assists with historical research, writing, illustrations, and video production. 🛠️ How it’s built — my approach to AI-driven development and design systems: https://neugil.com/blog/a-design-system-written-for-ai-agents/ 🌐 Website: https://neugil.co

We spent months building a French Tarot game. Donne du Jour is finally out.

Learn the cards. Understand your choices. Come back for a fresh Daily Deal.

I made an interactive AI city that shows how life changes from 1956 to 2050

One life through the age of thinking machines. Facts, sources, live news and possible futures.

Ballsy - a daily sports quiz built on 50,000 real results

The daily sports quiz for people who know ball. Name a player from 10 real Premier League, NBA and NFL results a day. Scored wins 3, played gets 1.

I created oTAPE - an open digital cassette format, with a Mac recorder and a browser-based player

One cassette. One file. Two sides. An open specification for digital cassettes you record in real time, rewind, flip and keep.

[iPhone/Android] I built ADHD+ so my alarm starts my morning routine, not just my day

Alarms that start your routines, checklists that walk you through them, and a timeline of what's next. Built for ADHD, private on your device.

Here's another app only me and my mom will use - My first little personal project just got approved

Simple, private tools for managing your money, health, fitness and daily life. Free to start.

GemsMakers – Free online calculators, 3D simulators & specialist labs (2,700+ tools)

Explore 2,700+ free online calculators, 3D scientific simulators, and diagnostic labs for minerals, gemstones, gold bullion, coins, watches, metals, construction, electricity, space, and music. Instant browser accuracy with zero signup.

I built an AI skincare app that analyzes your skin from a photo -- looking for beta testers

AI-powered skin analysis. A clean, personalized routine. Nothing extra.

Party Pix — A shared party camera that saves photos to your Google Drive

Collect party and wedding photos with one QR code. Guests use a browser camera, and photos go straight to your Google Drive. No app or guest account needed.

I built a local-only password manager that syncs Windows, Mac, iPhone and Android without a server o

A password manager for Windows that keeps your encrypted vault on your own devices. No account, no LocalGateKeys server, no telemetry.

Pyviel: learn real Python with every line explained, errors in plain words (beta)

53 lessons from print to async, every line explained, errors in plain words. Free and offline, in English, Italian and French.

I built a site that turns a recording into sheet music

Upload or record any sound, or play a YouTube video, and Amadeo writes its sheet music: notes, rhythm, key and chords. Edit it, hear it on 35 instruments and share it with a link.

I built a free focus room for interview prep and studying, with original lo-fi music built in

Lock in with built-in lo-fi and piano, a Pomodoro timer, interview prep, flashcards and homework planning.

I recently got into woodworking and hated using pro CAD for simple builds, so I built BenchBuild (5

Design woodworking projects in 3D with real lumber dimensions. Generate optimized cut lists and material cost estimates with BenchBuild's free online woodworking planner.