The latest articles on DEV Community by Onic Costume (@oniccostume). https://dev.to/oniccostume https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3945598%2F9b9a4558-6a69-4972-9983-61e14331780a.png https://dev.to/oniccostume en Onic Costume Fri, 22 May 2026 08:20:12 +0000 https://dev.to/oniccostume/i-built-a-zero-backend-tool-that-simulates-7-ai-developer-divisions-free-forever-4l07 https://dev.to/oniccostume/i-built-a-zero-backend-tool-that-simulates-7-ai-developer-divisions-free-forever-4l07 <h2> What is AppGen Master? </h2> <p>AppGen Master is a free, zero-backend web app that simulates <strong>7 AI developer divisions</strong> working together to turn your app idea into a complete Master Prompt — ready for any AI code generator.</p> <p>The 7 divisions: 🧑‍💼 PM → 🎨 UI/UX → 🏗️ Architect → 💻 Frontend → ⚙️ Backend → 🧪 QA → 🚀 DevOps</p> <h2> Why I Built This </h2> <p>I believe AI tools should be accessible to everyone — free, no backend, no login. So I built AppGen Master entirely with client-side technologies. Everything runs in your browser.</p> <h2> Tech Stack </h2> <ul> <li> <strong>React</strong> + <strong>Vite</strong> </li> <li> <strong>NES.css</strong> (retro pixel theme)</li> <li> <strong>Pixelarticons</strong> (486 pixel icons)</li> <li> <strong>Press Start 2P</strong> (pixel font)</li> <li> <strong>localStorage</strong> (no database needed)</li> <li> <strong>react-i18next</strong> (multi-language)</li> </ul> <h2> Key Features </h2> <ul> <li>🧠 7 AI divisions working sequentially</li> <li>📄 Download Master Prompt as <code>.md</code> </li> <li>📤 Export to 18 AI tools (Cursor, Claude Code, OpenCode, etc.)</li> <li>💾 Project management + Prompt Library</li> <li>🎨 Retro pixel theme</li> <li>🌐 Multi-language (Indonesian &amp; English)</li> <li>📱 PWA — installable on desktop &amp; mobile</li> <li>🔒 API key encryption (AES-256-GCM)</li> </ul> <h2> Try It </h2> <ul> <li>🌐 Live: <a href="https://appgenmaster.netlify.app" rel="noopener noreferrer">https://appgenmaster.netlify.app</a> </li> <li>📂 GitHub: <a href="https://github.com/oniccostume/appgen-master" rel="noopener noreferrer">https://github.com/oniccostume/appgen-master</a> </li> </ul> <p>Feedback and suggestions are welcome!</p> ai javascript react webdev