⚡ Artefactos
YogaFlowEnglish
I created YogaFlow, a complete yoga web application with the following features:
Structure and Navigation:
Home screen with information about yoga and its benefits
Beginner Level (8 fundamental poses)
Intermediate Level (8 more challenging poses)
Tantric Yoga (8 poses focused on energy and chakras)
Gratis
YogaFlowEsp
He creado YogaFlow, una aplicación web completa de yoga con las siguientes características:
Estructura y Navegación:
Pantalla de inicio con información sobre yoga y sus beneficios
Nivel Inicial (8 posturas fundamentales)
Nivel Medio (8 posturas de mayor dificultad)
Yoga Tántrico (8 posturas enfocadas en energía y chakras)
Gratis
Binaural Wave Generator
He creado un generador de tonos binaurales completo. La aplicación incluye:
Características principales:
- 6 presets presintonizados: Delta (0.5-4 Hz), Theta (4-8 Hz), Alpha (8-13 Hz), Beta (13-30 Hz), Gamma (30-40 Hz) y Schumann (7.83 Hz) con descripciones de cada estado
- 3 paneles de control: Canal izquierdo, derecho y el tono binaural resultante que el cerebro percibe
- Moduladores de frecuencia para cada oído con sliders independientes (100-500 Hz)
- Indicadores de zona en verde/amarillo/rojo que advierten cuando te alejas del preset óptimo
- Espectrómetros gráficos animados para los 3 canales (izquierdo, derecho y el resultante virtual)
- Sistema de transiciones para cambiar gradualmente entre estados (ej. Alpha→Theta con tiempo configurable)
- Temporizador de sesión para sesiones controladas
- Grabación y descarga de pistas con nombre personalizable
- Controles de volumen independientes para cada canal
- Fórmula binaural visible que muestra el cálculo en tiempo real...
Gratis
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Binaural Wave Generator_En
I've created a complete binaural tone generator. The application includes:
Main features:
6 presets: Delta (0.5-4 Hz), Theta (4-8 Hz), Alpha (8-13 Hz), Beta (13-30 Hz), Gamma (30-40 Hz), and Schumann (7.83 Hz) with descriptions of each state
3 control panels: Left channel, right channel, and the resulting binaural tone perceived by the brain
Frequency modulators for each ear with independent sliders (100-500 Hz)
Green/yellow/red zone indicators that warn you when you deviate from the optimal preset
Animated graphic spectrometers for all 3 channels (left, right, and the virtual resulting tone)
Transition system for gradually changing between states (e.g., Alpha→Theta with configurable time)
Session timer for controlled sessions
Recording and downloading tracks with customizable names
Independent volume controls for each channel
Visible binaural formula showing the calculation in real time...
Gratis
Open Nav Chart
Difruta aquí en fase Beta mi navegador Nautico OpenNav Charts. Características implementadas:
Funcionalidades:
Mapa híbrido OpenStreetMap + OpenSeaMap con tiles náuticos
GPS en tiempo real con tracking de posición, velocidad (nudos) y rumbo
Sistema de waypoints con creación, listado, eliminación y persistencia (localStorage)
Exportación GPX de waypoints
Medición de distancias entre dos puntos (nm/km)
Brújula digital con orientación del dispositivo
Panel de capas para activar/desactivar OSM y SeaMarks
Panel de ajustes (unidades, formato coordenadas)
Controles de zoom personalizados
Diseño:
Estética náutica profesional con tema oscuro "deep ocean"
UI glassmorphism con blur effects
Tipografía Outfit + JetBrains Mono para datos
Responsive para móvil y tablet
PWA-ready (meta tags para instalación)
Gratis
Crete Fishing Pro
A comprehensive web app for sport fishing in Crete that will include an interactive coastal map, weather data, solunar time calculation, and multilingual support. Including Greek, of course.
Gratis
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CycleMap
CycleNav - the cycling version inspired by Open Nav Chart.
Implemented Features:
Map and Layers:
CyclOSM (Official OpenStreetMap cycling map)
MTB Map (mountain trails with difficulty)
Hillshade (elevation/terrain shading)
POI Markers (bike shops, water, restrooms)
Activity Monitoring:
Real-time route recording
Timer with pause/resume
Distance, current/maximum/average speed
Cumulative elevation gain
Visual track on the map (green line)
Automatic saving to local storage
Weather Panel:
Current temperature and feels-like temperature
Wind, humidity, UV index
Hourly forecast (8 hours)
Data from Open-Meteo API (free, no API key required)
Smartphone-Optimized UX:
Compact and translucent info panel
Bottom navigation with central START button
Elegant dark theme
Safe areas for iPhone notch
Touch gestures Optimized
PWA Ready:
Service Worker for offline operation
Manifest for home screen installation
Tile caching for offline maps
Gratis
7 Minute Workout
Here is my / Minute Workout Web App:
The app includes all the features you requested:
Main Features:
- 12 HIIT exercises with 30-second duration each and 10-second rest intervals
- Schematic SVG illustrations for each exercise showing proper body position
- Clear descriptions explaining how to perform each movement correctly
- Countdown timer (5 seconds) before each exercise starts
- Visual progress bar showing elapsed time and total workout progress
Navigation:
- Home - Start screen with workout overview and medical disclaimer
- Exercises - Complete list of all 12 exercises
- Diary - Training log with calendar view and statistics
Training Diary:
- Total workouts completed
- Current streak counter (motivational!)
- Monthly workout count
- Interactive calendar showing completed days
- Recent workout history
Design:
- Dark mode with elegant gradient accents (teal/cyan)
- Modern typography (Bebas Neue + Outfit)
- Smooth animations and transitions
- Responsive for mobile devices
- Clean, intuitive interface
Safety:
- Medical disclaimer prominently displayed
- Reminder to consult a physician and certified trainer
Controls during workout:
- Pause/Resume button
- Previous/Next exercise navigation
- Visual and color-coded timer states (yellow=countdown, green=exercise, blue=rest)
Gratis
Trade Journal Pro
You have here the TradeJournal Pro in self-contained HTML format that you can open directly in any browser.
Features included:
📊 Dashboard
6 metric cards: Total P&L, Win Rate, Profit Factor, Expectancy, Best Trade, Max Drawdown
Interactive equity curve
P&L distribution by range
Charts by instrument, strategy, and day of the week
📁 Import
Drag & drop of files
Supports: CSV, XML (MS Office 2007+), XLSX, XLS, ODS (LibreOffice/OpenOffice)
📝 Trade Log
Entry Strategy: Document your entry strategy
Exit Analysis: Analyze why you closed your trade
Planned vs. Actual Outcome: The key point — record what you expected vs. what actually happened
Filters by instrument, strategy, and results
Star rating system
📈 Analytics
Monthly performance
Win Rate trend
Risk metrics: Sharpe, Sortino, Recovery Factor
📰 Market News
DXY Index with mini-chart
Current Fed Funds Rate
M2 Money Supply (liquidity)
News categorized by impact
Direct links to FRED, Federal Reserve, BEA
Gratis
FluxConvert
Here's FluxConvert v2 — now with real, working conversions.
100% Working Conversions (Client-Side):
📷 Images:
JPG, PNG, WebP, GIF, BMP, SVG ↔ any image format
Images → PDF
Resizing and compression with quality control
📄 Documents:
PDF → TXT (actual text extraction with PDF.js)
DOCX → TXT / HTML (using Mammoth.js)
TXT → PDF (using jsPDF)
HTML → TXT / PDF
📊 Spreadsheets:
XLSX, XLS → CSV, JSON
CSV → XLSX, JSON
JSON → CSV, XLSX
📦 Archives:
Create ZIP from multiple files
Extract content from ZIP
What's New:
API Key button in the header to save your key (localStorage)
Each category displays only the output formats compatible with the input file.
Advanced image options (quality, resizing).
Clear error messages when something goes wrong.
Information panel with all supported conversions.
Libraries used:
PDF.js — PDF reading
jsPDF — PDF creation
Mammoth.js — DOCX conversion
SheetJS (XLSX) — spreadsheets
JSZip — compressed files
FileSaver.js — downloads
The API key is optional for now, as all conversions work in the browser. The field is available for when you want to integrate ConvertAPI or another external service for more advanced conversions (such as DOC to PDF, which requires server-side processing).
Gratis
Linux Terminal Mastery
he creado tu Linux Terminal Mastery - una guía visual completa con 1528 líneas de código y 113KB de contenido.
Características incluidas:
📂 14 Categorías de comandos:
- Navigation & Directory
- File Operations
- Permissions & Ownership
- Text Processing
- System Information
- Process Management
- Networking
- Package Management (apt, dpkg, snap, flatpak)
- Archives & Compression
- Disk & Storage
- Users & Groups
- Services & systemd
- Keyboard Shortcuts & Tips
⚡ Funcionalidades:
- 🔍 Búsqueda en tiempo real (Ctrl+K)
- 📋 Botones "Copy" en cada comando
- 🏷️ Badges: Essential, Advanced, Utility, Dangerous
- 💡 Tips y warnings visuales
- 📱 Diseño responsive
- 🌙 Modo oscuro estilo terminal/hacker
- ⬆️ Botón "back to top"
- 🎯 Filtrado por categorías
Comandos cubiertos: +120 comandos con ejemplos prácticos, tablas de opciones, y trucos profesionales para todo lo que normalmente haces en escritorio pero desde la terminal.
Gratis
Bikepro workshop
I've created a completely new and optimized version of BikePro Workshop Manager. This time the code is clean and compact (50KB in a single file).
The application includes all the features:
Dashboard with real-time statistics
Component inventory with filters by category and stock status
10 predefined bike categories
Supplier management
Customer database
Invoicing system with preview and printing (19% VAT)
LocalStorage persistence
Responsive mobile design.
Gratis
The Financial Digital
I created El Financiero Digital, a web app with the authentic style of a classic financial newspaper. Main features:
Editorial Design:
Distinctive salmon-colored background (like the Financial Times)
Playfair Display typography for headlines and Libre Baskerville for body text
Subtle paper texture for a realistic effect
Decorative ornaments and separators in the style of traditional newspapers
Structure by Sections:
📈 Markets
🏛️ Economy
🏢 Companies
₿ Cryptocurrencies
🛢️ Commodities
Features:
Real-time market ticker in the header
"Breaking News" banner for featured news
Refresh button with loading animation
Date and time of compilation
Articles in different sizes (featured, large, medium)
Links to original sources
Responsive mobile design
Gratis
Escritor
Escritor — un editor minimalista pensado para escribir libros sin distracciones.
Características principales:
- Estructura de libro completa: Portada, Prefacio, Capítulos ilimitados y Contraportada
- Corrector ortográfico opcional: Desactivado por defecto, se activa con un toggle en el menú lateral (español)
- Modo Concentración: Oculta todo excepto el texto (botón o tecla Escape para salir)
- Guardado automático: En localStorage cada 30 segundos + Ctrl+S manual
- Exportación múltiple: TXT, Markdown y HTML (Ctrl+E)
- Estadísticas: Contador de palabras por sección y total
- Tema oscuro elegante: Tipografía Cormorant Garamond para escribir cómodamente
Atajos de teclado:
Ctrl+S— GuardarCtrl+E— ExportarEsc— Salir del modo concentración
Gratis
Mem Test
MemTest_Web is complete with:
Implemented features:
Industrial terminal interface in dark mode
Clear warnings about data writing before starting
3 accuracy levels: 10MB (fast), 50MB (balanced), 100MB (precise)
Visual terminal with timestamped logs and colors by type
Real-time speed graph differentiating write/read
Live statistics: MB written, verified, errors, speed
Background indicator when you minimize the browser
Final results with clear verdict (✅ verified / ❌ suspicious)
Incompatible browser detection (Chromium only): This application requires Chrome, Edge, or a Chromium-based browser with support for the File System Access API.
How it works:
Select a folder on your USB/SD card
Choose test accuracy
Write blocks with unique patterns until full
Verify each block by reading and comparing
Detects corruption = fake memory
Important limitation: Works only in Chrome/Edge (File System Access API). ~95% accuracy vs. native H2testw.
Gratis
Clear Search
ClearSearch is an independent web search engine with the following features:
Features:
Search box with prominent button
Filters by type: All, Images, News, Videos
Simulated results system (ready to connect to a real API)
Animated loading status
Responsive design for mobile and desktop
Principles of neutrality highlighted on the page:
Complete Privacy — No tracking or user profiling
Unbiased Results — No filter bubbles or manipulative personalization
Full Transparency — Open and explained algorithms
Independent Index — Our own index without corporate influence
No Data Sales — Data is never sold
Equal Access — No paid search engine optimization
Informative sections:
Modals with: About, Privacy Policy, Terms of Service, Transparency Report
Privacy statistics (0 profiles, 100% anonymous, 0 data sold)
Visible transparency badge
Gratis
LiberLink
I created LiberLink — a fully functional P2P messaging application that offers "RCS-like" features, but is truly free and independent.
✨ Implemented Features:
P2P Communication:
Direct peer-to-peer connection using WebRTC (via PeerJS)
No central server — only a broker for the initial handshake
Short and memorable IDs (e.g., LL-A3X7F2)
RCS-like Features:
💬 Real-time text messaging
⌨️ Typing indicators
✓✓ Read receipts
🖼️ Image sharing
📎 Sharing of any type of file
🔔 New message notifications
Security:
WebRTC-encrypted connection (DTLS/SRTP)
No external server storage
No registration or personal data required
Gratis
Acoustic Tachometer
I've created your Acoustic Tachometer – a complete web application for measuring the RPM of 4-stroke single-cylinder engines using a microphone.
Main Features:
Classic analog tachometer with industrial/retro-futuristic style:
0-10,000 RPM scale with color zones (green, yellow, red)
Animated needle with glow effect
LED digital display for precise reading
Intelligent pulse detection:
Analyzes exhaust knock in real time
Calculates RPM based on: 1 combustion every 2 revolutions (4-stroke engine)
Outlier filtering with IQR for stability
Reading smoothing to avoid jumps
Adaptive memory system:
Calibrate: Learns the sound pattern of your specific engine (5 seconds)
Saves the typical amplitude and frequency of knocks
Improves accuracy with use
Reset Memory: Erases the learned data if you change engines
Controls:
Adjustable sensitivity control (for different noise levels)
Real-time audio waveform display
Statistics panel: Peak dB, Avg dB, Pulses/second Confidence
Optimized range for single-cylinder engines:
Idle: ~800-1200 RPM
Maximum: 10,000 RPM
To use:
Press "Start Listening" and allow microphone access.
Bring the device close to the engine exhaust.
Use "Calibrate" with the engine idling to improve accuracy.
Adjust sensitivity according to ambient noise.
Gratis
PDF to EPUB OCR
He creado un conversor completo autónomo y funcional de documentos en formato pdf escaneados como imágenes convirtinedolo en un Epub.
EL artefacto convierte cada página de imagen pdf con texto en texto gracias a todos sus elementos embebidos integrados en el html: OCR, Arquitectura offline híbrida: la app intenta cargar pdf.js, tesseract.js, jszip y el modelo
spa.traineddata desde CDN la primera vez. El navegador los cachea automáticamente, así que la segunda vez que abras el archivo funcionará sin internet. Si estás offline la primera vez, puedes cargar manualmente el spa.traineddata desde disco con el botón correspondiente (lo descargas de https://github.com/tesseract-ocr/tessdata/blob/main/spa.traineddata, son ~15 MB). Una vez el artefacto tiene el spa.traineddata, puedes ponerte en modo avión, offline completamente si necesitas privacidad, recuerda que solo se necesita una vez la obtención de spa.traineddata.La UI comunica cada paso: banner verde si hay red, naranja si no; lista numerada de los 6 pasos del proceso que se van marcando como done; log en vivo con timestamps; indicadores de estado de red y motor OCR siempre visibles arriba.
Detección de capítulos en español: patrones para "Capítulo X", "CAPÍTULO", "Parte N", "Libro N", prólogo/epílogo/introducción/prefacio/apéndice/bibliografía, numerales romanos sueltos o con título. Si no detecta al menos 2, genera un único capítulo con todo el texto.
Controles prácticos:
- Selector de DPI (150/200/300): 200 es el equilibrio correcto para OCR en español, según mi experiencia con Tesseract.
- Rango de páginas (ej.
1-10, 15, 20-30) para procesar solo partes en pruebas. - Botón cancelar durante el OCR.
- Post-procesado: une líneas continuas en párrafos y resuelve guiones de final de línea (típico en libros escaneados con palabras cortadas).
- Exportación dual: EPUB 3 válido (con
nav.xhtml, metadatos Dublin Core, spine correcto) o.txtplano.
Mi experiencia: aunque falta pulirlo el artefacto funciona con paciencia trabaja bien extrayendo el texto de cada página requiriendo entre 1-3 sp (segundos por página) tratará de capitular automáticamente. Te encontrarás con algunos carácteres puntuales incongruentes (muy pocos) pero es lo que hay.
En definitiva, todo un artefacto capaz de hacer lo que muchos no pueden hacer. Versiones para otros idiomas están en camino.
Gratis
CCRE Construir con tierra apisonada y cartón
He creado un tutorial para aprender a construir casas con materiales básicos sin coste , sin cemento: solo arena, agua y cartón reciclado.
Se mezcla tierra compactada + agua + tubos de cartón reciclado
Elimina completamente el cemento
El cartón actúa como confinador estructural evitando grietas
Costo prácticamente cero si consigues tierra del lugar y cartón de desecho
Es totalmente reciclable y reutilizable...
Esta Web App interactiva la cual funciona offline te guiará paso a paso a trabajar a construir con esta técnica. De qué se trata?:
Gratis
Chladni Resonance
Web app completa y offline que simula las figuras de Chladni a partir del audio del micrófono o de archivos de audio subidos. El enfoque físico será el siguiente: el sonido captado se analiza con FFT (Web Audio API), se extrae la frecuencia dominante y su amplitud, y esos valores se mapean a los modos vibracionales (m,n) de una placa cuadrada usando la solución clásica de Chladni
cos(mπx/L)cos(nπy/L) - cos(nπx/L)cos(mπy/L). La "arena" se simula con miles de partículas que se desplazan hacia los nodos (zonas donde la amplitud de vibración es cero).Gratis
Cretan vineyard
Το Cretan Vineyard είναι μια ειδικά σχεδιασμένη εφαρμογή για οινοπαραγωγούς στο νησί της Κρήτης. Σχεδιασμένη σε μία μόνο μορφή HTML, εκτελέσιμη σε οποιοδήποτε σύγχρονο πρόγραμμα περιήγησης ιστού σε υπολογιστή, αυτή η εφαρμογή επιτρέπει στους μικρούς τοπικούς παραγωγούς να τελειοποιήσουν την παραγωγή κρασιού τους. Αυτή η 100% offline διαδικτυακή εφαρμογή περιλαμβάνει επίσης μια διαδραστική αριθμομηχανή Brix που βασίζεται σε μετρήσεις διαθλασίμετρου, επιτρέποντας στους παραγωγούς να προσδιορίζουν, μεταξύ άλλων, την περιεκτικότητα σε αλκοόλ του κρασιού που παράγεται. Τέλος, έχω ενσωματώσει μια εκτυπώσιμη γεννήτρια εγγράφων PDF, ώστε οι παραγωγοί να μπορούν να επισημαίνουν τα βαρέλια τους στο κελάρι, διασφαλίζοντας σαφή και οργανωμένη αναγνώριση σε όλη τη διαδικασία παραγωγής. Περιλαμβάνει επίσης μια γεννήτρια ετικετών για την εκτύπωση μπουκαλιών μετά την τελική εμφιάλωση, παρέχοντας λεπτομέρειες για το κρασί. Μια ισχυρή, δωρεάν διαδικτυακή εφαρμογή, διαθέσιμη εδώ για τους φίλους μου στην Κρήτη. Χαιρετισμούς!
.......
Cretan vineyard Cretan Vineyard is a custom-built application designed specifically for wine producers on the island of Crete. Designed as a single HTML file—executable in any modern web browser on a PC—this application empowers small local producers to fine-tune their winemaking process. Furthermore, this web app—which functions 100% offline—incorporates an interactive tool for calculating Brix levels based on refractometer readings, allowing producers to determine, among other things, the projected alcohol by volume (ABV) of the wine currently in production. Finally, I have embedded a printable PDF document generator, enabling producers to label their cellar barrels and thereby maintain an organized and clear system for identifying their wines throughout the production cycle. The app also includes a label-printing tool for wine bottles, to be used after final bottling, featuring detailed information about the wine. A powerful web app—freely distributed and available here at no cost—for my friends in Crete. Cheers!Gratis