Do you use qSandbox?
Recent launches
wp5.qsandbox.com
Features:
* WordPress admin access so you can install plugins and themes or edit plugin or theme files
* No registration required
* Free service
* Each user gets their own private WordPress installation and database
* Quick set up (under 10 seconds)
* SSL for the test sites
* Fast server
video: demo https://youtu.be/_E4KPeGwyOA
qSandbox
