ring with a specific format.</span>
  </li>
  <li>
    <a href="https://github.com/BaseMax/FreeSpringerBook" alt="FreeSpringerBook">FreeSpringerBook</a>: 
    <span>Download Free List book of Springer. [PDF format]</span>
  </li>
  <li>
    <a href="https://github.com/BaseMax/GameNetSystemPHP" alt="GameNetSystemPHP">GameNetSystemPHP</a>: 
    <span>A complete system for game nets that can manage the category of console devices and also have control over rent and receiving money. (PHP + Ajax javascript JSON)