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Project Overview

Key Value
Responsible Organisation INTEF - CEDEC
Contact eXeLearning Team (info@exelearning.net)
Project Title eXeLearning
Official Repository URL https://github.com/exelearning/exelearning

Current Architecture

eXeLearning is built with a modern TypeScript stack:

Component Technology
Runtime Bun
Backend Framework Elysia
ORM Kysely
Database SQLite / PostgreSQL / MySQL
Real-time WebSocket + Yjs
Frontend Vanilla JavaScript
Desktop Electron

For detailed architecture information, see Architecture Documentation.

History

2024-03-26

Project initiated within the collaboration agreement between Spanish Ministry of Education, Vocational Training and Sports and the educational administrations of Junta de Andalucía and Junta de Extremadura.

The goal was to replace exelearning-online (Python 2.7) with a modern, accessible application.

2024-07-15

Repository migrated to GitHub as the official development location: https://github.com/exelearning/exelearning

2024-11

Migration from Symfony/PHP to modern TypeScript stack begins:

  • Backend rewritten with Elysia + Bun
  • Database layer migrated to Kysely ORM
  • Real-time collaboration implemented with Yjs WebSocket

2025

Current state:

  • Backend: Elysia framework running on Bun runtime
  • Database: Multi-database support via Kysely (SQLite, PostgreSQL, MySQL)
  • Real-time: Yjs-based collaborative editing with WebSocket
  • Testing: 90%+ coverage requirement with Bun test, Vitest, Playwright
  • Legacy code: Available in symfony_legacy/ and nestjs_legacy/ for reference

Development Practices

  • Git workflow: Feature branches merged via Pull Requests
  • Testing: Unit (Bun), Integration, Frontend (Vitest), E2E (Playwright)
  • Coverage: Minimum 90% for new code
  • CI/CD: GitHub Actions for testing and deployment

See Also