As per the title why isn't there a alternative to XAMPP which completely installs in Linux
The default stack on Ubuntu (or any Linux system) is LAMP and it has been for a very long time.
Ubuntu has a special program to install extra sets of software (like LAMP); you can install it with
and then choose from a list of options LAMP:
The system will install a pre-configured version of LAMP and will also ask for password for MySQL admin. This has worked out of the box for me for years
Besides that: please avoid using XAMP since the LAMP stack in Ubuntu is better tested and hardend.
Installing Xampp on Wİndows may be very needed. Because combination of multiple servers and coordinating with them settings is difficult and complex. But in Ubuntu these servers are magically so coordinated. You can install LAMPP too, but as you want install other softwares as like as Mysql Workbench, modifying new softwares with Lampp is time vesting. So you can setup all needed servers on Ubuntu easily and with some simple steps. Install Linux, Apache, MySQL, PHP (LAMP) stack on Ubuntu is here.