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Your AI product experiment reaches statistical significance on day 14 of a planned 30-day run, measuring a causal inference question: did the LLM-based feature genuinely improve outcomes? Every produc

AI coding assistants have evolved from simple autocomplete tools into capable development agents that can write code, debug applications, refactor projects, and even execute complex workflows. Among t

Managing dates and times in JavaScript is notoriously tricky, often leading to subtle bugs that only surface once an application hits production. To help you master this fundamental skill, the freeCod

Picture this: you hit an API endpoint, and you get an API response back. You pass the data straight into your application, and everything looks fine in development. Your mock data is clean, your types

Have you ever tried to spot the differences between two long paragraphs of text? Reading line-by-line to find a missing word or a new sentence is a massive headache. In this tutorial, you'll build you

Recently, I wanted to reinvigorate my open-source project Clarity, an icon theme for Linux (GTK+). The icons allow users to create custom colors by adding SVG templates. And I wanted to have a platfor

If you're a developer, you likely work with JSON a lot. But how do you define and validate JSON and prevent problems from malformed JSON data? This article explores what a JSON schema is, some example

Adding margins to a PDF is a common task when preparing documents for printing, binding, archiving, or sharing professionally. While many PDF editors include this feature, they often require installin

Cloud adoption changed how companies build software. It changed deployment speed, infrastructure management, and the way engineering teams operate. It also changed the security landscape. Applications

My biggest pet peeve is not seeing the prices and the conditions right out front. What do you mean I need to call you to get a quote? What next? A retainer, proposals, more back and forth, and an absolute waste of time. If the product is good, why hide it? Working on adding more, but I have around 1500 media outlets that you can get placements in. You can check all their prices on essentras.com . Right now, there's a free real media placement worth $250 good for getting the ball rolling a...

So I'm trying something different this time. I built meaty.me — a dead-simple meeting note taker that runs in your browser. No app store, no installation. Just open it and tap record, save your conversations for later review. It's a tool not a SaaS. Add it to your home screen if you like that native appfeel. I’ll top up your quota in exchange of some feedback Roast it gently 🫠 meaty.me

I built a small app because I kept forgetting when I fertilized, sprayed, watered or mowed my lawn and garden. It’s called Garden Calendar: Lawn Care and it’s a simple MVP, not a big AI assistant or complex garden planner. What it does right now: log fertilizing, spraying, mowing, watering and other garden work track how long treatments stay active see upcoming tasks and recent entries browse your season in a calendar create reusable product templates for things you use often ...

Most AI code tools ask you to paste your files in or give access to your repo. I wanted to build something different. Code Reasoner works like this: You describe your problem in plain language It generates a structured discovery prompt you run inside Cursor, Windsurf, or VS Code - anything Your editor scans your own codebase and returns a diagnostic report You paste the report back — and a council of specialist AI models audits it in parallel You get a surgical fix prompt with exac...

It has been a month since my last post, so here we are again =) A small strategic question this time. So far, Amawish has been built as a web app. The idea is simple: help people create personalized birthday cards with a small historical twist from the recipient’s exact birth date. The web route made sense at first because SEO matters a lot for this kind of product. People search for things like birthday card maker, personalized birthday card, printable birthday card, and so on. But the ...

Try it here https://8gwifi.org/crypto-viz/

I coach founders for a living and I've watched this same movie a few hundred times. Someone's stuck in the single or low double digits on customers. They're sure it's a marketing problem. They ask which channel to run. Cold email? SEO? Ads? Reddit? Wrong question. I had a client once. B2B SaaS agency. Built the product perfectly, launched to silence. He tried cold email. Then a branding agency. Then he fired people. Then he blamed marketing. Months of it. He finally picked up the phone and...

For the folks who've actually built their business, drop your project (one line on who it's for + what it does, link if you want) and i'll give you the honest read most people won't. The riskiest assumption your thing rests on and why people might not be paying yet. Usually it's not the product, it's that the buyer or the distribution isn't nailed. So no "It looks great!" fluff. Please drop them in the comments, I will go work through them.

If you've taken a photo more than a few meters underwater, you know everything turns blue-green. Water absorbs red light first, so by ~10m the reds and oranges are basically gone. Most fixes are manual sliders or one-size presets you end up fighting per photo. I'm an iOS dev with a photography background, and I built ScubAI to fix this with physics instead of filters. Instead of guessing, it works out what the light actually looked like at your depth - from your depth + how clear the water was...

Hi, https://zenovix.app/screenshots/ui-animated-interactive-dashboard.gif https://zenovix.app/screenshots/ui-animated-simple-mode.gif I’ve been working on a Windows app called Zenovix Storage Manager for many months now, and I finally feel confident enough to share it. I did share it earlier, but at the time I didn’t think it was quite ready for proper feedback. The idea is to bring a few storage tools into one place: storage analysis, exact duplicate detection, review-first cleanup, ...

Hi, I've been building a social platform for the past few months, and I kept hitting the same wall: people see it and ask "wait, what is this?" or "what's the actual value here?" So I did what most of us do, I rewrote the copy. Long version, short version, feature lists, benefit-driven headlines. Five rewrites, same confused reactions every time. Eventually I got annoyed and just deleted the landing entirely. I started to think that if the product can't explain itself i...

Hi everyone, I’m a solo developer from India, and over the last few months I’ve been building Rooto ( rooto.in ) , a startup focused on making fresh fruits easier to order online. I designed and developed the website myself, handling both the frontend and backend while working a full-time job. The idea is simple: Fresh fruits Easy online ordering Clean shopping experience Encouraging healthier eating The challenge is that getting users is much harder than building the product. ...

Launched oldwebdiary.com — a nostalgia site dedicated to early internet culture, fully skinned like a retro desktop OS. You can switch between Win95, WinXP, and Mac OS9 themes and the whole UI changes (window chrome, taskbar, fonts, button styles, even the desktop wallpaper). What's inside: - 50+ memes with full origin stories (Dancing Baby, Hamster Dance, Rickroll, Doge, etc.) - This Day in Internet History — events that happened on today's date throughout internet history - Lost Medi...

After a few weeks of slowly posting on Reddit, my little side project finally crossed 50 registered users today. It’s called Freshers.dev , a satirical browser game where your public GitHub profile becomes a fictional software engineer, and you play through a chaotic tech career filled with startups, layoffs, AI hype, promotions, burnout, and questionable life choices. Some things that surprised me: Reddit has been by far my best acquisition channel. Mobile traffic was much higher t...

Hello! I’m honestly feeling a little stuck and could use some advice. I’m a full-time mechanical engineer, and with a baby on the way I’m trying to bring in some extra income. I thought freelancing would be the answer, so I set up profiles on Upwork and Fiverr offering CAD design, SolidWorks modeling, 3D printing, and general mechanical engineering help… but I’ve had basically zero luck. Right now I’m doing Uber Eats after work just to make some extra cash, but it’s frustrating because I k...

Hey everyone, I’m working on an iOS app called HealthBar , and I’m getting close to sharing it more publicly. The idea is simple: HealthBar aims to help people build healthier habits by turning HealthKit data into something that feels like a game, with guidance along the way. Instead of looking at steps, sleep, water, mood, and activity as plain numbers, the app turns them into things like: HP buffs and debuffs daily side quests a combat log for your day suggestions, caution...

i got tired of every meeting recorder uploading my conversations to the cloud. so i built a meeting notes app for mac that works completely offline. records meetings locally transcribes on-device generates summaries locally no accounts no subscriptions no audio ever leaves your mac the goal wasn't to compete with ai note takers. i just wanted something i could trust with client calls and private meetings. i'm curious... would you pay for an app like this? if yes, what...

been talking to a bunch of early founders lately and the same thing keeps coming up. the product's genuinely good — but a stranger lands on the homepage and can't tell what it actually does in the first ~7 seconds, so they bounce. and the brutal part: the people who leave confused never tell you. you just see a high bounce rate and blame traffic. it's almost never the traffic. you're too close to your own product to see the gap — all the context is in your head, so the headline that's obviou...

Hello all! I made a small website to create collaborative digital e-Cards to celebrate many different occasions. The added bonus is that you can add not just messages, but photos, videos, cute voice memos, and more! I would very much appreciate if you took the time to view my landing page, which includes a few example cards in them, and let me know what you like and don’t like about the various functional/ UI design choices. You can also create an account for free if you like :) All feedb...

Hey everyone, I'm a hardware dev (currently tinkering a lot with ESP32-S3 and E-ink displays) and I’m exploring a product idea aimed at the "silver economy". The core problem: Many elderly people forget if they’ve taken their daily medication, and current smart pillboxes on the market are either too complex for them to use or require them to learn how to operate a smartphone app. The idea is a Smart E-ink + AI Voice Pillbox designed specifically for children to buy for their ag...

A few months ago, I built and launched BinaryTranslator.org - a free web suite for developers and students to convert text to binary, hex, decimal, and octal. It got some good traction, but as I was using it myself during development, I noticed a friction point: Constantly opening a new tab, navigating to the site, pasting a string, and copying the result back was completely breaking my workflow. So, I decided to package all that functionality (and more) into a lightweight browser extensio...