Suggestions for outlines

The following packages have something in common with the package outlines. The packages are ordered in decreasing similarity.

Package asciilist: Environments AsciiList and AsciiDocList for prototyping nested lists in LaTeX
Package enumext: Enumerate exercise sheets
Package multenum: Multi-column enumerated lists
Package etaremune: Reverse-counting enumerate environment
Package eqlist: Description lists with equal indentation
Package tasks: Horizontally columned lists
Package paralist: Enumerate and itemize within paragraphs
Package enumerate: Lists with redefinable labels
Package moreenum: More enumeration options
Package tablists: Tabulated lists of short items
Package typed-checklist: Typesetting tasks, goals, milestones, artifacts, and more in LaTeX
Package phonenumbers: Typesetting telephone numbers with LaTeX
Package easylist: Lists using a single active character
Package listliketab: Typeset lists as tables
Package enumitem: Control layout of itemize, enumerate, description
Package enumsub: Aligned inline sublists for enumitem
Package revnum: Reverse enumerate
Package outline: List environment for making outlines
Package desclist: Extended description lists
Package shortlst: Compact lists by running several items per line
Package hlist: Horizontal and columned lists
Package randomlist: Deal with database, loop, and random in order to build personalized exercises
Package gatherenum: A crossover of align* and enumerate
Package labels4easylist: Add reference labels to easylist items
Package sitem: Save the optional argument of \item
Package iitem: Multiple level of lists in one list-like environment
Package lazylist: Lists in TeX’s mouth
Package engrec: Enumerate with lower- or uppercase Greek letters
Package listofitems: Grab items in lists using user-specified sep char
Package autolist: More lists
Package bubblesort: Bubble sorts a list