Cable management accessories

A vertical cable manager, comprising:

• a first column assembly;
• a second column assembly, parallel to but spaced apart from the first column assembly;
• a plurality of midsection members, independent and spaced apart from one another, each having a first end coupled to the first column assembly and a second end coupled to the second column assembly;
• and
• at least one mounting plate that is coupled at one end to a first of the plurality of midsection members and at an opposing end to a second of the plurality of midsection members, the second midsection member being disposed beneath the first midsection member, and the at least one mounting plate being attached between the first and second midsection members via fasteners.