Havuz

此项目是与 PCB_lightgraph 的Web网页便捷版，有更多有意思的功能且无需下载安装。

Open-source, local-first AI App Store screenshot editor.

Free, open-source email signature generator. Single HTML file, no sign-up, no server.

Plan a room on an OpenStreetMap building and see where sunlight falls through the day and year. Runs in the browser.

Vibe Coding 轻量项目实验室：Web 应用、桌面工具、Prompt 资料库与 Codex Skills

Synapse is a local-first, offline-first, installable PWA that unifies habit tracking, task management, workouts, finance, and more into a pr

AI-powered code analysis tool with bug detection, code explanations, and AI-powered suggestions.

DropLink is a decentralized, temporary peer-to-peer sharing platform. Files, folders, links, and chat messages move directly between browser

多功能在线工具箱，覆盖视频、音频、图片、文档、开发与生活工具。

A self-running research agent that monitors the web on your schedule, verifies findings with LLM analysis, and delivers intelligence reports

Living 3D Procedural Jelly Avatar Engine, Web VTuber, Cute Anime TTS, AI Expression Creator Studio & Motion Exporter

Live multi-sport scores, match events, standings, and favorites built with React, TypeScript, and a server-side provider gateway.

A calm, visual recipe finder with search, favorites, meal planning, pantry inventory, shopping lists, and price estimates.

Transparent randomization tools with fairness receipts, replayable draws, giveaways, tournaments, and live rooms.

Local-first personal workspace: write notes, track tasks, chat with an AI that knows your files - all plain Markdown, no cloud.

A private browser-based expense tracker with local storage, budget tracking, and visual spending insights.

💎 Sooda — Liquid-glass profit, price & discount calculator. Offline-first PWA, bilingual (EN/FA), zero dependencies on servers.

Generate clean icon-based logos instantly in your browser. Export as SVG, PNG, or ICO.

A high-performance modern streaming media web application built for seamless entertainment and content discovery.

Paste your code and get brutally roasted by AI — then refactored into something actually worth shipping.

A browser-first meme discovery and canvas editor with GIF support, Story export, sharing, and embeds.

A dependency-free browser todo list with localStorage persistence, filtering, drag-and-drop ordering, progress tracking, and light/dark them

A full-stack AI prompt library for discovery, structured authoring, safe imports, moderation, and shareable agents.

A browser-based multiple-choice exam platform with camera proctoring, module progression, results, and certificate exports.

A client-side calendar workspace with month, week, day, and agenda views, local storage, reminders, analytics, and import/export.

SudokuFlow is a premium, Notion-inspired Sudoku workspace built entirely with pure HTML, CSS, and JavaScript — no frameworks, no fluff. Play

ChessVibe: A polished, zero-dependency chess web app with real-time P2P multiplayer, Stockfish AI, and Wikipedia-style SVG pieces. Features

AI-assisted travel planning with Gemini itineraries, Firebase persistence, and expense tracking.

A framework-free, browser-based habit tracker with streaks, timers, reminders, analytics, and localStorage persistence.

A client-side React app for scheduling meetings, managing client details, and exporting reports.

Browser-based Fallout Shelter save editor: edit dwellers, rooms, storage, and season pass entirely client-side. Your save never leaves your

Attendance management system built with React, Vite, Tailwind, and Supabase.

Open-source, browser-local chess opening trainer — drill your repertoire with spaced repetition. No account, no server.

A reunion registration system for managing attendee information, event registration, and participant records in a simple and organized way.

A client-side web application to patch MP4/MOV containers locally, preserving video quality when uploading to TikTok without server compress

Self-hosted WhatsApp OTP login / signup / forgot-password — Google Apps Script + Google Sheets, powered by the OpenWA WhatsApp API gateway.

An immersive, animated portfolio template inspired by Studio Koto. Crafted with React and Framer Motion to showcase clean code and high-perf

🧪lab - https://labstudio.tech - alternative to AI Studio from Google, with some subjective improvements.

Open-source collegiate esports operations: registration, team formation, eligibility review, scheduling, and tournament statistics.