Is assumed that the user has the following skills/items:
- At least one functional neuron in his brain.
- A computer (better with GNU/Linux OS )
- knows PHP programming.
- OOP (Object Oriented Programming).
- Database administration (MySQL, PostgreSQL or SQLite).
- How works Relational models used in databases.
- It's not 100% necessary, but knowledge of SQL is strongly recomended.
- HTML/CSS (obviously).