PhpStorm is a lightweight and smart PHP IDE focused on developer productivity that deeply understands your code, provides smart code completion, quick navigation, and on-the-fly error checking. It is always ready to help you shape your code, run unit-tests, or provide visual debugging.

Poedit is the best translations editor for translating apps and sites that use GNU gettext for localization. This includes most Linux programs as well as PHP or WordPress. All commonly used features of gettext are supported, including plurals, message contexts or extraction of translatable strings from the source code.