Back-end/ Server-side

1. PHP Framworks

1.1. Laravel

1.2. Symfony

1.3. CakePHP

1.4. CodeIgniter

1.5. Zend

1.6. Phalcon

1.7. Yii

2. Version control software

2.1. SVN

2.2. CVS

2.3. Git

3. languages

3.1. PHP

3.2. Ruby

3.3. Python

3.4. Java

3.5. .Net

4. Tools

4.1. MySQL

4.2. SQL Server

4.3. Oracle