Reduce the vertical spacing just before the chapter start
29432
Space before chapters and contents
55797
Adjust vertical space between question title and text in exam class
74857
how can i make space between rows without interruption in it's borders?
55015
Chapter on the right side - How to turn it off?
2117
Title page line spacing
120659
How to remove white space before reference?
125425
How to balance last page of two-column layout?
63401
How can I reduce padding after figure?
10877
use :before and :after elements to fill remaining space of text element
141340
Same distance between chapter head and text / toc
104702
How to remove the whitespace BEFORE itemize/enumerate?
52093
Configuring footnote position and spacing
102190
Preventing itemize environment to insert initial vertical space
65227
Avoid vertical space above bullet list in LaTeX table
33236
unwanted vertical spacing
25821
Too little space between wrapped text and the line below it
40153
Change footer in beginning of chapters