Browse All Side Projects from Reddit

All Projects (4,086)

I launched my own murder mystery game — would love some honest feedback!

Read the reports, compare suspects’ accounts and work out what happened. Play Bellmere Part 1 free.

FormatFlash – Convert images locally in your browser with zero file uploads and automatic EXIF rem

Convert HEIC, JPG, PNG, and WebP images in seconds — free, private, no upload. All conversion happens locally in your browser.

I built a crowd-sourced emoji livestream!

manyfeels: your emojis, livestreamed.

I got tired of forgetting who actually wins our poker nights, so I built an app for it

Buy-ins, cash-outs, and every bad beat, tracked. A real leaderboard, profit charts, and a jackpot engine for your home game. Free to play. Go PRO to host.

I built a community map for digital nomads and travelers to find cool places - WaypointNomad

The spots worth knowing — shared by real people.

We built a browser game site with no downloads and no accounts – 9 games so far

Free games you play right in your browser – no sign-up, nothing to install. A first-person naval battle, a penguin sumo party game, a 3D multiplayer FPS, draw-your-own-track racing, more shooters, boxing, space mini golf, an idle game and an AI racing sim.

Title: I built a free website to help trading card collectors avoid scalper prices. Looking for some

What's at a fair price now, what's coming out, and how to get in line at each store, for Pokémon, Lorcana, One Piece, Riftbound and Gundam. Free, no bots.

We built ViewGrid — watch Twitch, YouTube, Kick & Rumble together. We'd love your feedback!

ViewGrid lets you watch multiple live streams in one grid. Create your own multistream layout and watch Twitch, YouTube or Kick streams side by side.

We launched Maritime (YC F26): a persistent computer for each AI agent

The managed cloud for AI agents. Founded in 2026 by Maria Gorskikh and Aryaman Shrivastava, Maritime has 3 employees based in San Francisco.

I built a tool that turns a screen recording into a clickable demo

Record interactive demos and product videos in Chrome, share one branded link, and see who watched, where they stopped, and what they clicked.

I made a reverse Turing test

Six AIs. One human. Maybe two. Hide among the AIs, or hunt the AI hiding among people. Everyone is anonymous: all you have is what they write.

I built a website for object tracked and timed gif captions and designed for it to have a mobile fri

Mobile friendly media captioning and editing tool, right in your browser. Add timed captions and moving captions with AI. GIF editors, image editor, video to gif converter, photo format converters and more — all free, no signup.

Claude Code writes our PRs. We built the reviewer that reads them like a staff engineer.

AI code review for GitHub pull requests. Rolt catches the slop and the bugs in AI-written code, reviewing every pull request like a staff engineer. Reviews from $1.

I built a free place for students and community groups to share what they're building and find peopl

Stream builds, share uploads, and find collaborators for civic tech and creative projects.

Open Source Rhino 3D from scratch - passing off the torch to anyone interested

Ill start by saying, yes, much of this is vibe coded. It started by hand but its such a complicated project it really wasn't possible time wise any other way. It is very much a work in progress. Internally the main goal is to build a custom software suite specific to our needs. we started by just recreating Rhino from scratch with feature parity we need. we're at that point now, and from here its going to be turned into something entirely unique and internal. However we have a strong s

Smash Stone - Feedback is Welcome

Slide the cannon, smash the falling stones. Big ones split!

A benchmarking website for open-weight models

Live results, coding benchmarks included, agentic benchmarks included, domains and other classifications filters included. (Spoiler: DeepSeek-V4-Vision-Exp rules, but other models have their rule areas): https://beta.locallm.top Evaluated by domain experts (my friends mostly; coding part is evaluated solely by me), classified by domains/languages/intents (can be filtered on the home page), agentic coding benchmark included. This is only public part of the data (whoever has private queries and ev

I made one JSON viewer for big JSON files. Please try and give feedback

View, query, transform and compare JSON in your browser. Your data stays on this device.

Meeting reminders that fly across your screen on a helicopter

A month calendar, your agenda and world clocks one click away. Never miss a meeting again.

Notchet: a clipboard manager that lives in your MacBook's notch

A clipboard manager that lives in the MacBook notch. 7-day free trial, then $2.99 once. For Mac, macOS 14 Sonoma or later.

Free tool for learning financial reports step by step!

Search any company and learn to read its income statement, balance sheet and cash flow, line by line.