jorgecasar

If you have the capacity of “edit_themes” you can see a Try Theme, a new option in Design menu.
In this page you see a form that let you choose a theme and it will be activated while you’re login in.

Try theme to develop

This plugin detect if current user have the capacity of "edit_themes" and then he can change the template to develop it.

tecking

This plugin is based on “Reloadr” which watches web project files for change, and refreshes their page automatically. This is good for client-side assets(e.g. *.css, *.js etc… ) and server-side assets(e.g. *.php).
Thank you for awesome scripts “Reloadr” made by Daniel Bergey(https://github.com/dbergey). Please see also the “Reloadr” site(https://github.com/dbergey/Reloadr).

Reloadr for WordPress

Watching web project files for change, and refreshes their page automatically.

Try theme to develop vs Reloadr for WordPress