Simple Activity Tracker

The simplest possible web application for activity tracking.

www.simpleactivitytracker.app

Features

• Activity Management: Add/remove activities with custom tags
• Time Tracking: Log activities with automatic timestamps
• Data Visualization: Interactive charts showing activity patterns
• Session-Based: No signup required - use session IDs for data persistence
• Multi-Device: Share session IDs to access data across devices
• Data Export: Copy all of your data to clipboard for easy export

Technology Stack

• Frontend: React, Bootstrap, ApexCharts
• Backend: Node.js, Express
• Storage: JSON files (session-isolated)

Local Development

npm install
npm run dev

Server runs on port 3002.

Architecture

Simple session-based storage without authentication. Each session gets isolated JSON files for data persistence. Max is 100 individual sessions at 2MB per session.

🤖 Claude Code

• Sped Up This was just a serverless page for years. I wrote this to learn React. In one night Claude Code added the node.js backend for me and helped me get it setup on www.simpleactivitytracker.app.