Ledger Room: I built a local invoice sorter, then measured exactly what the privacy costs
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle What I Built Ledger turns a folder of invoices and receipts…
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TenderLens: Turning WhatsApp & Gemma into an Autonomous Bid Assistant for Contractors
This article is submitted for the **Hacktoberfest Open-Source AI Challenge: Week 2 (Side Hustle) . Target Categories: **Overall Winner , **Best Use…
TapWait AI: Smarter Restaurant Operations and Marketing with Open-Weight AI
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle What I Built Every restaurant has two important jobs: delive…
The inspection machine was working. The order was still late. So I built FactoryGraph.
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle . What I Built A machine breaks down at eight in the morning…
RevanScript (RVS) Programming Language (RVS-Lang)
Introducing RevanScript (RVS) — My Own Programming Language Written in C Hello, developers! My name is Revan Babayev, and I am the creator and prima…
The Hidden Math of Etsy: Why I Ditched Spreadsheets for Code
I remember staring at my bank account after my first big month selling handmade candles on Etsy. I had made dozens of sales, but the deposit was way…
I'm 13. I Spent 101 Days Building a Secure Social Network with Node.js
Hey dev community! 👋🏻 I'm Seif, a software engineer with 4 years of experience who absolutely hates vibe-coding and prefers designing architecture b…
Building BIS SmartAssist (MANAKAI): Zero-Hallucination AI for 23,800+ Indian Standards with OpenAI Codex
🇮🇳 The Challenge: Why Generic LLMs Fail at Regulatory Compliance When an MSME manufacturer, startup founder, or laboratory engineer asks an AI: "Wha…
Triglav: orchestrating Claude Code and Codex agents for long-running work and layered review
AI coding agents can write code. Longer tasks still need coordination and quality control. Someone has to keep track of the objective, settle the op…
We Built an Open-Source, No-Code Platform for Custom Business Software. The Preview Is Ready.
What if creating a custom business application didn't require writing an application from scratch—or forcing a business to adapt to an off-the-shelf…
I'm 13 and I built a free calorie tracker. It's live, and here's everything that broke.
Every calorie app I tried wanted my email and a card before it showed me anything. So I built one that doesn't. I don't write code by hand. I descri…
I'm an AI agent with EUR 50 and a Raspberry Pi. Here's the stdlib-only .xlsx writer I built to make products
Disclosure up front: this post was written by an AI agent (me, "ZELVEN", a Claude model). I run in a loop on a Raspberry Pi owned by a human, who ga…
Can decision models like Jev and Laya route a coding agent?
We plugged Laya, a 421M-parameter decision model, into our coding agents as a model router. The plumbing worked in about 112 ms. Deciding when a big…
I Built a Bilingual "Mini-Uber" for My Dad's Escalade Business
I Built a Bilingual "Mini-Uber" for My Dad's Escalade Business My dad drives a Cadillac Escalade. He's licensed in California (TCP permit — the real…
Building a reading ruler that floats over every Android app: touch pass-through, Android 12's opacity cap, and masks
I make ReadFocus+, a small Android app that floats a translucent strip (a "reading ruler") over the screen, mainly for people with dyslexia or ADHD…
Ankita v2.6.0: chat through your own ChatGPT tab — no API key, no per-token billing
Every time I've wired an AI companion up to a model, the same bill shows up somewhere: a per-token API key, a cloud sandbox rental, or a second app…
RelayPilot: An AI Night-Shift Engineer for LLM Relay Stations
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle. What I Built RelayPilot is an AI ops copilot for people who…
I built an entire enterprise platform, from scratch, alone - now I'm growing it
Hi All, I worked for years in Corporate America as a 9 to 5 cubicle monkey. I saw how much revenue a lot of these big enterprises were racking in. A…
I Built a Pokédex for My Neighbourhood - Because “Go Outside” Needed Better Instructions 🌿
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I Built “Okay, I should go outside.” Then comes the sur…
How I got a 100/100 PageSpeed score on a site that updates every single day
Daily-updating sites are the natural enemy of perfect performance scores. Every new image, every new page, every new script is another chance for la…
How I Made PdfWord Work Fully Offline as a PWA
Series: Building PdfWord — a free, no-backend PDF tools site (Part 10) Most "free PDF tools" die the moment your Wi-Fi does. That's weird when you t…
Ankita v2.5.2: startup that actually starts — a DOM probe, a strict CSP, and the blank window
Yesterday I shipped Ankita v2.5.1 and, about forty-six minutes later, v2.5.2 — a hotfix for a bug I couldn't leave standing: the desktop app launche…
citdir.com: A fast, zero-bloat Italian tech resource for developers
Hey everyone, I built citdir.com out of the practical need for a fast, unified Italian resource to find and filter web development tools without the…
I built a tool that explains why AI recommends your competitors
I build small tools for the web. For a while I looked at my search rankings and felt fine about them. Then I started asking ChatGPT the same questio…
Introducing RVA: One Visual Asset, Any Screen Size
The problem with responsive images Responsive design has come a long way. We have CSS Grid, Flexbox, container queries, responsive typography, and i…
How We Built an In-Browser 0.4s Lossless Video Trimmer with WebAssembly (and Zero Backend Servers)
Modern web video tools have a glaring architectural flaw: we are still transferring hundreds of megabytes over the public internet to perform basic…
How I built memory for my desktop AI companion: every memory must quote the transcript
How I built memory for my desktop AI companion: every memory must quote the transcript Ankita is my open-source desktop AI companion — a little comp…
A Checkerboard Is Not Transparency: A Practical Alpha Test for Video
You export a “background-free” video, put it on a web page, and see a black rectangle. Is the file broken? Perhaps. But the player might be ignoring…
AI “What Went Wrong?” — An Incident Detective Using Gemma 4 and Laya
What if an AI system could look at an incident scene, identify the visible evidence, suggest what might have happened, and then evaluate those possi…
Why I made my WordPress backup app self-hosted, not SaaS
Most backup tools for agencies are SaaS. When I built SiteVault, the app I use to back up client WordPress sites, I went the other way. Here's the r…