Browse All Side Projects from Reddit

All Projects (4,064)

I built a retro game engine for Python as a side project. Eight years later, people are shipping gam

Hi, I'm the creator of Pyxel. I started building it in 2018 because I wanted a small, self-contained way to make retro games in Python. The video shows a sample game, the built-in pixel-art and sound editors, and a snapshot of the project's reach. Since then, people have used it in game jams and released commercial games. You can make games on Windows, macOS, or Linux and share them in a web browser. Pyxel is free and MIT-licensed, including for commercial use. It has passed 17,000

I built a globe where developers can discover each other by skills, location, and open-source activi

The open-source talent graph for humans and AI agents. Discover 26,000+ developers by expertise, location, language, and verified contributions.

I built a site where you design your own engagement ring yourself and buy direct from the jeweler, u

Create your perfect custom diamond engagement ring with our AI-powered design studio. Compare prices with Blue Nile and luxury brands. Expert consultation and CAD design included.

I built Selfime, a cassette-style app for recording meditations in your own voice

Hear a practice before you record it, read along in a voice you choose, or send a tape to someone. Recordings stay encrypted on your device, with no account.

I built EmerWorth, a budgeting app focused on comparing what you planned vs. what actually happened

Plan your month first with EmerWorth. Track spending, compare planned vs actual, and learn from reality — simple budgeting with no steep learning curve.

Gauntlit - A creative writing battle.

Compete in daily 10-minute speed blitzes and weekly short story challenges. Read anonymous 3-way matchups, vote on champions, earn tokens, and unlock tier titles.

I launched a click-for-click ad exchange yesterday — first day: 1,712 views and 38 clicks

Host a friend's ad, earn credits, spend them on your own. Founders promoting founders.

I made a Letterboxd/RateYourMusic Alternative

One home for all your media interests. No algorithms, just a real community with real taste.

I built a visual disk analyzer for Windows because I kept having no idea where my storage was going

Your drive is full and you don't know why. ScanforPC shows you exactly where your space went and helps you get it back in a couple of clicks. For Windows 11.

Smile - The app that gets people to look up from their phones and share a smile.

Smile nudges you when other Smilers are nearby to look up, spot each other, and share a smile. That's it. That's the whole app.

After a lot of Work, It’s Finally Here!

Estimated fasting phases with their sources, AI meal estimates you can edit, and logs that stay on your phone.

Bootstrapped a free video editor to 2,500 daily visitors (1,500 organic daily clicks) and 210 MRR, n

VidClean Pro learns how you cut from your finished videos and drafts matching cuts. Try it free on one video. 5GB uploads, 3-hour transcription. $8.99/month.

Any musicians willing to poke around a new platform I’ve been working on?

Free beta now open. Bookings, availability, setlists, stage plots and band money in one place, made by a gigging musician.

Hybrid training tracker because everything out there is either lifting-only or run/bike-only

Free online training platform for cyclists, runners, triathletes and other athletes. Track fitness, analyze activities and wellness data, plan workouts. Coach other athletes. Integrated with Garmin, Polar, Suunto, Coros, Wahoo, Strava, Zwift, MyWhoosh, Rouvy, Amazfit, HUAWEI Health, Oura, WHOOP and others.

Threefold Rift : PoE-style browser auto battler — every death makes your next hero stronger type g

Threefold Rift — a PoE-inspired idle auto-battling RPG: three attributes, stages, modular events, and loot.

Made an app for people who love pourover coffee, looking for someone to try it!

Track your brews, discover coffee shops, and perfect your coffee ritual

I built a free hands-on DevOps lab instead of another tutorial course

Hands-on DevOps community: build real projects, solve DevOps tickets, fix production incidents, and learn by doing.

I built a map that combines news, weather alerts, earthquakes, floods, river gauges, and other publi

News on a map — filter by location, time, and category. By IdeasQuantified.

Built a free travel budget planner — looking for feedback

Calculate and plan hotels, food, activities, and transit for any city or zipcode within your price point. Includes live weather and interactive route maps.

I built rainwave.live a pixel art themed LoFi radio.

LoFi, chillhop and jazzhop. Find your flow with relaxing music and animated scenes.

I built a multi-sport platform for interactive game replays

Premium live sports intelligence — F1, NBA, MLB, EPL, NFL and NHL, reimagined.