Two Ubuntu software applications
42915
Can't open snap-store
102057
How to keep two versions of an app installed?
133002
Can I install two Ubuntu versions on the same machine?
93584
With Ubuntu One shut down, is there a way to sync applications between computers?
158116
Wine or virtual machine (VirtualBox) to run apps (eg. Photoshop)
67365
How to install another Ubuntu alongside different version of Ubuntu?
71474
Should I install programs from a source tarball (`.tar.gz`), from the Ubuntu Software Centre, or from elsewhere?
32788
Why is Ubuntu Software Center dropping previously provided applications?
17622
Task manager for Ubuntu
101278
How can I add an application to the list of Open With applications?
50553
Can I mix sources from different ubuntu versions?
124350
Can one executable be both a console and GUI application?
102811
Using multiple desktop environments
11907
What's the easiest way to run GUI apps on Windows Subsystem for Linux as of 2018?
46461
Unsupported software?
65144
What default Windows Software Alternatives does Ubuntu have!
91095
How to install 2 versions of the same application on iOS?