Work

Portfolio

Explore my complete collection of projects

Studio Themis - Wedding Photography Portfolio
Web Development

Studio Themis - Wedding Photography Portfolio

A stunning multilingual wedding photography portfolio website showcasing the artistic work of Themis Sakellariou with modern web technologies and seamless user experience.

Next.js 14 React 18 TypeScript Tailwind CSS +2 more
VPMS - Venue Property Management System
Web Development

VPMS - Venue Property Management System

A comprehensive platform connecting event venues with skilled professionals including chefs, waiters, bartenders, musicians, and more. VPMS streamlines event staffing with AI-powered matching, direct communication, and integrated management tools for the hospitality industry.

React TypeScript Node.js AI/ML +3 more
Multilingual Excuse Generator - AI-Powered Creative Justifications
AI & Machine Learning

Multilingual Excuse Generator - AI-Powered Creative Justifications

A sophisticated web application that generates creative and believable excuses for various situations across professional, academic, health, and social contexts with multilingual support.

React TypeScript AI/ML Tailwind CSS +2 more
Dyson Spheres Visualization - Interactive 3D Megastructure Designer
Web Development

Dyson Spheres Visualization - Interactive 3D Megastructure Designer

An advanced 3D visualization application for designing and exploring various types of Dyson spheres around different celestial bodies with real-time physics calculations and customizable parameters.

Three.js WebGL React TypeScript +3 more
SpaceGamesDB - Comprehensive Space Strategy Games Database
Web Development

SpaceGamesDB - Comprehensive Space Strategy Games Database

A curated database platform for space strategy games featuring advanced filtering, detailed game information, and newsletter subscription system.

React TypeScript Tailwind CSS Vite +2 more
Timebased Bookings of Services & Products
Web Development

Timebased Bookings of Services & Products

A WP Plugin for businesses which are in need of time-limited bookings, or tickets for venues & events.

PHP Tailwind CSS JS
FORMA MARINE - Yachts & Outdoors Furniture
E-commerce & Webstores

FORMA MARINE - Yachts & Outdoors Furniture

A webstore for yacht and outdoor furniture built on Shopify

Shopify Liquid JavaScript CSS
Supabase-DB-Export-Import
Web Development

Supabase-DB-Export-Import

🚀 Supabase Database Manager - a modern web tool for managing Supabase databases with React & TypeScript! 💻

React TypeScript Tailwind CSS Vite +2 more
Pac-Makakas: Η ΕΛΛΗΝΙΚΗ ΕΚΔΟΣΗ
Web Development

Pac-Makakas: Η ΕΛΛΗΝΙΚΗ ΕΚΔΟΣΗ

A satirical reimagining of the classic Pac-Man game with Greek cultural themes

TypeScript HTML5 Canvas Howler.js Webpack
Municipality of Aigialeia Official Website
Web Development

Municipality of Aigialeia Official Website

Official website for the Municipality of Aigialeia, Greece. A modern, responsive web portal designed to provide residents and visitors with comprehensive information about the region, its services, and attractions.

React TypeScript Vite Tailwind CSS +8 more
Ask Theodor - AI-Powered Expert Assistant Platform
AI & Machine Learning

Ask Theodor - AI-Powered Expert Assistant Platform

A sophisticated AI-powered platform offering specialized AI agents for various professional domains with multilingual support, fine-tuned for e-commerce workflows and flexible subscription plans.

React TypeScript Vite Tailwind CSS +6 more
Οπτική Γωνία — Custom Eyewear E-commerce Platform
E-commerce & Webstores

Οπτική Γωνία — Custom Eyewear E-commerce Platform

A fully custom-built eyewear store for a Greek optical retailer — no templates, no page builders, no off-the-shelf platform. A bespoke Next.js storefront with 3D product visualisation and AI-powered virtual try-on, backed by a custom Astro headless CMS, self-hosted on a VPS.

Next.js 15 React 19 Three.js React Three Fiber +6 more
Virtual Try-On WooCommerce Plugin - Revolutionary AI Technology
AI & Machine Learning

Virtual Try-On WooCommerce Plugin - Revolutionary AI Technology

A breakthrough AI-powered WordPress plugin that enables virtual try-on experiences using regular HD photos - no expensive professional photography needed!

WordPress WooCommerce Google Gemini AI PHP +3 more
React SPA & PWA with Tailwind for "Dimitriou e-CommerceWebServices" UG/GmbH
Web Development

React SPA & PWA with Tailwind for "Dimitriou e-CommerceWebServices" UG/GmbH

A business website built with React and Tailwind CSS

React Tailwind CSS Node.js Vite.js
eChurch.gr - Church Management System
Web Development

eChurch.gr - Church Management System

A modern, multi-tenant web application for managing church certificates, parishioners, and appointments

React Supabase Tailwind CSS Vite +1 more
Bookmarks & Favorites Management - Chrome Extension
Web Development

Bookmarks & Favorites Management - Chrome Extension

A Chrome extension for efficient bookmarks and favorites management

Chrome Browser Engine HTML JavaScript CSS
Security & Privacy

EnvVault — The Professional Vault for Developers

A local-first desktop vault for developer secrets. Stop storing API keys and database credentials in plain-text .env files: EnvVault encrypts everything at rest with AES-256-GCM, versions every change, and never phones home. Built with Tauri (Rust) and React, shipping as a commercial one-time-purchase product.

Tauri Rust React TypeScript +3 more
AI & Machine Learning

MediKI — AI Practice Management for Doctors

A modern practice-management platform for medical practices, combining patient management with AI-assisted diagnostics. Built GDPR-compliant from the ground up, with multilingual support and medical imaging workflows.

React TypeScript AI/ML Medical Imaging +2 more
AI & Machine Learning

ClawdBot-Employee — Autonomous AI Agents for Business Operations

Autonomous AI agents that take on real business operations and workflows — handed a job, they carry it out and report back for approval rather than simply answering questions.

AI Agents LLM Node.js Workflow Automation
AI & Machine Learning

Teobot — AI Assistant for Web Development

An AI chatbot specialised in web development, published on the ChatGPT Store and live since 2023 — one of the earliest assistants in its category.

GPT Prompt Engineering ChatGPT Store
AI & Machine Learning

School Assistant — AI Study Companion

An AI-powered study companion for students, offering both local and cloud AI options so schools can choose privacy-first on-premise inference or hosted models.

AI/ML Local LLM React EdTech
Blockchain

Properties Listing — Blockchain Property Marketplace

A global platform for house and land sales that uses blockchain to make ownership records and transaction history transparent and verifiable.

Blockchain React TypeScript Smart Contracts
Software Architecture

Digital Agency Runner — PM for Solopreneurs

A project-management tool built for solopreneurs and small agencies — the workflow of running client work end to end, without the weight of enterprise PM software.

React TypeScript Node.js SaaS
Web Development

Elanian — Browser Strategy & City-Building Game

A browser-based strategy and city-building game with PvP combat — real-time state, persistent worlds and game balance, built as a full MVP.

TypeScript Canvas Node.js Real-time