#Overview
FastTodo is an offline-first task management application that provides a seamless experience whether you're online or offline. It features secure authentication, unlimited todo lists, rich task metadata, and intelligent sync capabilities.
#Key Features
- ▹Secure Authentication: Email/Password signup and login with JWT and HTTP-only cookies
- ▹Multi-List Organization: Create and manage unlimited todo lists with easy switching
- ▹Rich Todo Metadata: Status, category, priority with color-coded badges
- ▹Offline-First Architecture: Optimistic UI updates with localStorage caching
- ▹Smart Sync: Automatic synchronization when back online with conflict resolution
- ▹Dark Mode: System, light, and dark theme support with smooth transitions
- ▹Route Protection: Automatic redirect to login for protected routes
- ▹Data Isolation: Complete user data privacy and separation
- ▹Cascading Delete: Deleting a list removes all associated todos
- ▹Responsive Design: Works seamlessly on all screen sizes
#Challenges & Solutions
Challenge
Building a robust offline-first architecture that maintains data consistency, handles sync conflicts intelligently, and provides a seamless user experience without loading flashes or data loss.
Solution
Implemented a sophisticated sync engine using Zustand with localStorage persistence, optimistic UI updates for immediate feedback, and intelligent merge strategies that prioritize unsynced local changes during conflict resolution.
Project Info
Open Source
Creator & Maintainer
5 days
Vibe Coding
Want to Learn More?
Check out the complete documentation to understand the project architecture, setup instructions, and detailed API references.