Browse All Side Projects from Reddit

All Projects (6,181)

openGym v1.4.0 is out: 5,632 exercises, a rebuilt search and 47 community PRs (also: 8.3k stars, tha

Plan your week, log every set and see which muscles you trained. Free, open source, no ads, no subscription. Android app or self-host with Docker.

NailedIt - practice job interviews out loud with an AI interviewer that follows up

Practice your job interview with an AI interviewer. Paste the job posting, answer out loud, and get scored on five things interviewers listen for. Free to start.

i brought google's circle to search to windows desktop, and its surprisingly fast

Anime Scene Search Engine. Lookup the exact moment and the episode.

I built a Stoic mental fitness app as a solo developer - looking for honest feedback (10 lifetime co

Hello fellow builders! Find strength in Stoic philosophy in uncertain times I'm a solo developer, and for the past year I've been working on Practice Stoic - a mental fitness app built around practical Stoic philosophy. The idea behind it is pretty simple: Stoicism has a lot to offer when it comes to dealing with stress, uncertainty, and everyday challenges. BUT I wanted to build something that goes way beyond just reading inspirational quotes. So Practice Stoic helps you actually put it

I made a caption editor that keeps word timing when you fix a transcription mistake

Add animated, word-by-word captions to any video for free. No watermark, no signup, and your video never leaves your device.

I built a VS Code extension for managing project plans in .pln files

Extension for Visual Studio Code - Visual project list editor for .pln plan files

Gizmory - A personal timeline of the gadgets you’ve used

기즈모리는 내가 써온 휴대폰, 카메라, 컴퓨터와 추억을 남기는 기기 기록 앱입니다. 사진과 메모로 나만의 기기 연대기를 만들고 공유 카드로 꺼내보세요. iPhone과 Android에서 무료로 시작할 수 있습니다.

I made a couple of free PDF/image/tax tool sites (UK + Irish version) and would love some feedback

Oddjobby is a handy set of free browser tools for PDFs, images, UK take-home pay, stamp duty, VAT and word counts. Files stay on your device and are not uploaded.

I've been building Shroud.email, an open-source email alias tool, since 2022. I'd love your feedback

Email, meet privacy. Hide your email address from spammers and hackers by creating email aliases that remove creepy trackers.

AI Golfing Coach - grades your golf swing from phone video, and refuses to guess what the camera cou

Film a swing on your phone. We measure what the camera can actually see.

My watch comparison site got its first Amazon orders, and I've sold 4 usebravery Starter plans

Find the best watch at the best price

Launched Pagehaus: hosting for people who just want to upload HTML

Pagehaus is plain HTML hosting: upload with SFTP or in the browser, Server Side Includes, contact forms and custom domains with HTTPS.

I built a site that turns your IP address into a pixel-art trading card (with stats based on your ac

See your public IP address, location, ISP and ASN instantly, and find out which pixel-art hero your connection is. IPs never stored.

Spent the last months building a local app that makes AI tools cheaper and undoable. Roast it before

Delta MCP is a free app between your AI apps and their MCP servers. One program per task, not one tool call per step: 3.3–24.1× fewer tokens, measured.

Worked 2 months on my side project, then OpenAI and Gemini blocked my accounts — what should I do?

Tell us what you want to color. We turn it into a printable coloring page.

I built KESI, a collection of free online tools — would love your feedback

Free online tools: HEIC to JPG, WebP to PNG, image compressor, resizer, ID watermark, QR code generator and more. Everything runs in your browser, so your files are never uploaded.

I kept rebuilding the same tabs every time I switched projects, so I made a Mac app that gives each

Every project gets its own space — tabs, notes and tools, exactly where you left them.

Built a cart and backend for hand-coded HTML sites. Looking for 20 users to test it.

I built an independent benchmark for AI "decision models", with every test case and answer public

Inspect a frozen 100-case comparison of Jev, Clef, Clef Flash, OpenAI’s Decisions API and a GPT-6 Luna structured-output baseline, including failures, latency, provenance, and downloadable evidence.

Dad of two, musician, day job, 9 months of spare minutes: built a chord chart and setlist app for mu

Learn, organize, perform: chord sheets and setlists, cross-platform and offline. Import from Ultimate Guitar, OnSong, SongbookPro, ChordPro.

I made a to-do app for minimalists with just two lists, Today and Later.

Organize Today and Later, set reminders, and manage tasks offline without an account. Available on iOS and Android.