Is there a way to find out which packages are used (rather than merely called) by a document?
72827
Detecting unused packages in LaTeX document
8780
How can I find out in which distributions a package is available?
154248
How to see all packages in a package repository? Website or command line?
87193
How to find out which dependency caused a particular library to be downloaded?
107798
Identifying which part of a large document is being compiled
35000
Can Debian identify rarely used packages?
46932
How to determine which Python install is being used by the interpreter?
6440
Can I see why a package is installed?
5954
How to list all installed packages
68366
Checking installed packages
64123
How to list packages from a ppa/source in command line?
112660
How to get list of installed packages with installation date?
55857
How do I get a list of obsolete packages?
74129
How to list dependent packages (reverse dependencies)?
22564
Find Programming Language Used
113500
How can I find out which package installed a particular executable?
114896
How can I see all versions of a package that are available in the archive?