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I'm tired of web platforms forcing us to upload everything to the cloud. So, I built LensLaber , an offline-first computer vision annotation tool. I developed the whole thing on my everyday laptop: an old 2015 Asus X550LD (i5, 8GB RAM, 120GB SSD). I wanted to prove you don't need an expensive GPU workstation for AI labeling. By optimizing the architecture, YOLO + MobileSAM run locally on standard CPU using just 600-900MB of RAM. You just bring your own YOLO weights in ONNX format. Harry Rat...

I've been working on a project for a few months and realized most of my time goes into fixing edge cases instead of building features. Curious what other solo builders struggle with most.

Been building a men’s activity app for a few months, about to quit though The idea: men tell us when they’re free and what they want to do (golf, fishing, pickleball, etc), app groups them with nearby guys. $10/month. There is also a “map” that displays forming groups in your area for various activities and you can join those groups. Thought it was different because it’s men only, activity-first so it doesn’t feel like a friend finder, and uses demand aggregation instead of event posting so ...

Solo dev here and I have a focus problem. Instead of going deep on one thing, I keep shipping small free tools. An IP/privacy tool, an AI pet game, an AI trends tracker, a crypto liquidation feed, and now a meme maker. The meme maker is the most on-brand silly one yet. The reason behind all of them is the same: free, and no signup, because I'm tired of handing over my email just to do one tiny thing. So that's all it is. Pick a template or upload your own, add text, download. It's called justm...

My team has been using Lusha for like 8 months now and its getting ridiculous. started with thier pro plan thinking 480 credits would last but im burning through them in less than 2 weeks. feels like every click costs credits even when the data comes back empty. the accuracy is decent when it works. Probably get good emails maybe 70% of the time. but mobile numbers are super hit or miss, maybe 1 in 5 actually connect. and dont get me started on the chrome extension randomly logging me out mid-...

Hi everyone, I built a dedicated social media platform exclusively for men. From my own day-to-day experiences and observing online trends, I realized there isn't really a centralized, intentional space for men to share goals, seek advice, or find mentorship. Women are incredible at building supportive communities for themselves, and I wanted to create something similar for guys. Last weekend, I sat down, started vibe coding, and built out a foundational version of the platform. I'm not doin...

Hey r/SideProject , I got tired of site audit tools putting basic security and health scans behind expensive paywalls. So I built AuditMetric . The core platform gives you 3 free audits every single day , technical SEO audits, and unlimited CVE vulnerability checks to ensure your site is secure from known exploits. To prevent bot abuse on heavy data-scraping endpoints, we use a cheap, prepaid credit system for advanced modules Keyword Strategy (Search intent and organic targeting), ...

My puzzle site ( https://PuzzleLair.com ) made the front page on Hacker News today (still there as I type this)! Google Analytics showed up to 500 real time users every half hour for a few hours. I was worried that my little VPS that's running 8 other apps would tank, but it held up. I know it's not *that* much traffic, but it's more than any of my little apps has had thus far. We'll see if any of the new accounts turns into any actual revenue. Got some good feedback from the comments as well. A...

My hobby project is turning now into a desktop app that runs locally on your machine. mydev.cat is a cute cat that lives in your desktop, taking notes of your development, writing reports, and making shareable content as you work normally! Again, I made this because I needed it for my daily development work to make reports of any given day/year, but nowadays it's just so fun to me to design products and think on the ways it can become valuable for other people. Download here: mydev.cat ...

I got the idea while looking for a new mattress and was having trouble finding a good way to compare the different sizes. I figured others also had a similar problem so I decided to make a tool to fix the issue. You can easily pick a standard bed size like twin or queen or add a custom size. Then the diagram will automatically show the size comparison between the mattresses. It was a fun weekend project, and I would love any feedback on what to add or fix. Here is the link if you want to...

I've spent years collecting ideas across Reddit, X, forums, notes, bookmarks, and documents. The problem was always the same: everything became fragmented . A note might reference a concept from a Reddit post, which referenced a thread on X, which referenced an article somewhere else. I wanted a place where knowledge itself was the primary object, and where ideas could connect directly to other ideas. So I started building Risorgi (risorgi.com) Some challenges I've run into: Exp...

Many AI Agent tutorials propose the same fix for bad output: reflection. Your agent generates garbage JSON? Just add another LLM call to "review" it. The second call critiques the first, the first tri

Managing a few of repositories is easy. And managing dozens can be challenging. But managing hundreds across multiple teams, products, and deployment environments is where things start to break down.

This handbook is a complete guide to the 7-step playbook that took one EKS bill from \(85,000/month to \)34,000/month — without touching a single line of product code. I've audited EKS clusters at mor

Performance tools are good at showing you what's slow. They can tell you that your Largest Contentful Paint is 4.2 seconds, your JavaScript bundle is too large, or an image below the fold is loading t

When you hear "Scalable Design System with a Monorepo Ecosystem" it might sound like a bunch of jargon glued together. Let's simplify: Design system: the building blocks of your product (buttons, inp

I have a book-buying problem and a book-finishing problem. The second one is worse. So I built BookQuest: pick a book, and it becomes a board-game journey. Each "level" is a short lesson + a quick quiz. You only advance by passing — which forces active recall, which is the whole reason it sticks. Points, streaks, badges, leaderboard on top. Stack: Next.js + Supabase + Vercel. Server-side grading so scores can't be faked. Books are content-as-data, so adding one is just rows in a DB...

Hi there! I'm the creator of OpenBot. I kept seeing “agent” tools that were really just model switchers or MCP tool sprawl. I wanted something different: agents that work together. OpenBot is a local sidekick. You give it a complex goal → it delegates to specialist agents (researcher, coder, etc.) → they collaborate over a shared event bus until the job is done. https://www.getopenbot.com/ Would love feedback — does the “sidekick + specialists” model resonate, or is single-agent still...

I'm working on an idea and want honest feedback, not trying to sell anything. The idea: you upload class notes, PDFs, or lecture material, and the app gives you a daily study loop: - what to review today - weak spots to practice - quick memory checks - progress/streaks so studying feels less overwhelming Kind of like a daily learning coach, but for your actual school material. Questions: Would this solve a real problem for you? What do you currently use: Anki, Quizlet, Not...

Made this simple page just for fun as i have learned some commands on mimo app, later, decided to use claude to help with the action when clicking the button. Just for fun

I built SVGotchi, an SVG-native local AI companion where the opened SVG document is the app surface. There is no Python backend, no hosted inference API, and no normal HTML app shell. Transformers.js loads a local ONNX emotion model in the browser, then TypeScript maps sanitized labels and scores into deterministic SVG pose transitions. I’m looking for feedback on the architecture, README positioning, and whether the SVG-native runtime boundary makes sense as a reusable pattern for small local...

Hey everyone! 👋 My two friends and I were quite frustrated with the current state of workout tracking apps. They make you pay for basic features Are cluttered with ads Collect and sell your data Distract you from your workout with unnecessary social feeds Filled with useless AI (slop) features So as the 3 software engineers x "gymbros" we are, we took matters into our own hands and decided to build Nouta. No features behind paywalls No Ads/Tracking/etc. All th...

Previously I was doing it by recording my screen with obs or slack and then editing the video to remove some hiccups. But that process is extremely annoying. I googled a little bit and found several services that supposedly do that, with or without AI, but after an evening of trying I was not able to get anything I like with them. ​ How do you approach this? What are your favorite solutions?

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Hey guys, I made a game where you have the guess the songs from it’s synonyms. New artists/themes everyday, let me know what you think and drop your scores below 👀

Hey everyone! 👋 I’ve been working on QueryCase , a gamified SQL learning platform where users learn SQL by solving interactive detective-style investigations and realistic business scenarios rather than following traditional tutorials. The platform has been live for just over a week and has already reached 200 users, which has been exciting (and slightly terrifying!) as it’s my first ever project. I’m planning a Product Hunt launch next week and have put together a short launch video. I’d...

Me being a social media marketing professional one of my go to approaches for campaigns is to understand what my competition is doing and copy their big hit campaigns. At the start I was doing this manually but this was taking so much of my time. Later with the help of claude I built a tool for me to use. Seeing the impact this tool had on the Facebook pages that I manage, thought of making it a product. After months of work, I have now launched swordai.lk a tool that will give you com...

I realized I barely remember anything anymore. Directions, phone numbers, birthdays. Even tiny things we used to remember without thinking. That got me wondering: are we actually getting worse at remembering stuff? So I built a small browser game to test it. You get a few seconds to study something. Then it disappears, and you have to recreate it purely from memory. No hints, no autocomplete. Just you versus your brain. It's surprisingly hard the first time. Then something interesting ha...

Hey everyone, It's been about 2 months since I first kinda started the project but I figured here would be a good place to post about my journey! I am building Mathlean ( https://mathlean.com ) It's an aim to make doing math online feel easy, and combine all the best computational tools with the clarity of LaTeX and flexibility of an online collaborative whiteboard. It's very similar to how Integrated Development Environments work for software developers. I am trying to create a platform...