Browse All Side Projects from Reddit

All Projects (6,211)

I Made a Free Website that turns MIDI and MusicXML Files into Piano Animations (Sorry for bad video

Turn a MIDI or MusicXML file into a falling-notes piano video. Free, in your browser. Customize colors, effects, sound and hands.

Mac focus app that grays out distractions instead of blocking them

FocusVault for Mac turns selected distractions gray while your work keeps its color. Choose a $16 one-time purchase or $2/month.

I built a Mac app because my "temporary" tabs kept becoming permanent (150+ of them opened)

Save articles, references, and useful pages in a private, searchable library on your Mac. Add notes and tags, then find them when you need them.

Venmo took 15 bucks every time I cashed out rent. I built the app that replaces Venmo AND Splitwise.

Send and receive money straight from your bank account within the same day with $0 transfer fees, AI receipt scanning, and smart card sync.

I made a tiny daily game for finding open-source projects. You walk a trail of categories and collec

A new trail through open source every day. Drop into a category, compare its active repos as stickers, and collect the ones you like.

Shabang: two music guessing games I started building for my sister

Two music guessing games. We split real hits into their instruments: guess from the drums alone, or from a fifth of a second. The less you hear, the more you score.

I made a little self-care app because I wanted something that felt less overwhelming

Gentle words, when you need them most. Find calm with supportive companions.

I'm building an open source Magic: The Gathering engine that runs on the browser and lets you compil

  submitted by   /u/nicolas-siplis [link]   [comments]

Hola Cards - keep a Spanish lesson's words together

Learn Spanish with voice flashcards, word games and listening practice. Try the free demo, then learn on the web, iPhone or Android.

I Had an Idea 18 Years Ago. I Never Really Let It Go.

One world. One stream. One person at a time.

[Neuro-Kindred] - Free dating/friendship web app for neurodivergent adults — looking for first use

A free, calm, sensory-friendly space where neurodivergent adults find friends and dates.

I built an AI tutor that draws diagrams and equations on an editable whiteboard

Ask a question by voice or by typing and Biro draws the answer on a whiteboard: labelled diagrams, worked equations and notes, explained step by step. Built for studying biology, anatomy, physiology and physics.

NimbusWatch - I built a read-only AWS waste & security scanner without guessing on the math

See real examples of NimbusWatch's read-only AWS security scan and cost-waste detection: public buckets, open ports, missing MFA, and unused AWS resources.

I built a free party game for those chaotic nights with friends — Punchy.wtf

Write wild prompts, give funny answers and vote for the best from your phone. No app needed.

I built a Laravel service that turns Jaspersoft .jrxml templates into PDFs with one REST call: label

Render a real PDF on a real VeloxFactory instance: QR label, article hangtag, delivery note or scan simulation, with the API request in five languages.

I could never figure out where to start or what to learn next, so I built a Mac app to plan it visua

Sprout is where you plan the skills you're building. Start from what you're interested in, break it into skills you can practice, and set a rhythm that keeps them alive. Local-first, no account needed.

I built a tool that checks if AI recommends your business

Free AI visibility check. See what ChatGPT, Google AI Mode, Claude, Gemini and Perplexity say about your business, what they get wrong, and how to fix it.

How long does it take gain enough trust for Smartscreen to not warn users?

Collect, arrange, and refine your reference images on an infinite canvas. Free forever for local use on Windows and Linux, no account needed.

Chirper - Play messages that only some can hear

Send secret messages in Morse code at pitches that some people can hear and others can't.

Z-Raid 🧟 -Built a little zombie survival game over the weekend

The dead took the world. Take it back. Pick your survivor, raid the ruins and recover the cure. Three raids. One life.

Built a task app because I kept forgetting my own to-do list existed literally

Designed with ADHD brains in mind. Grounded in how attention and working memory actually work.