Eject

Eject is a small software application developed specifically for helping you open the tray of your CD-ROM/DVD-ROM. The tool can be controlled only via the command-line console.

Take advantage of its portable status

The utility is portable so you may opt for storing it on pen drives or other removable devices so you can carry it with you all the time. Plus, you may run it without having to possess administrative privileges directly from the storage device.
It’s easy to access its functions because you only need to double-click on the executable file. You do not need to follow the preset steps included in an installation process. In addition, if you no longer need it, you can get rid of it without having to appeal to third-party uninstallers. A simple deletion task of the files that you have downloaded from the Internet does the job.

Command-line running mode

You can make use of Eject’s functions only via the command-line console. If you are familiar with inputting arguments in a CMD environment, you can decode the application’s capabilities in a short amount of time.
A help manual is not embedded in the package, only a ‘Readme’ file that presents only basic details about how to make the most out of the program’s features. You simply need to input ‘eject' and the drive's letter in order to make the program automatically close the CD/DVD door.
Tests have pointed out that Eject carries out tasks quickly and without errors. It remains light on system resources so the overall performance of the computer is not affected.

Final ideas

To sum things up, if you are looking for a simple method of automatically opening your CD/DVD door, you may give Eject a try and see what it can do for you. It is suitable especially for less experienced users. On the downside, you are not allowed to automatically close the CD/DVD door.