Suggestions for fncychap

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

Package notoccite: Prevent trouble from citations in table of contents, etc.
Package quotchap: Decorative chapter headings
Package titlesec: Select alternative section titles
Package anonchap: Make chapters be typeset like sections
Package chbibref: Change the Bibliography/References title
Package topsection: An un-numbered top level section
Package secdot: Section numbers with trailing dots
Package appendix: Extra control of appendices
Package sectionbreak: LaTeX support for section breaks
Package tocvsec2: Section numbering and table of contents control
Package alnumsec: Alphanumeric section numbering
Package sectsty: Control sectional headers
Package indentfirst: Indent first paragraph after section header
Package outliner: Change section levels easily
Package standardsectioning: Define sectioning commands identical to the standard classes
Package alphanum: Sectioning commands for jura
Package bsheaders: Double-ruled chapter heading style
Package crumbs: Add a Navigation Path to the page header
Package nccsect: A re-implementation of sections, captions and tocs
Package secnum: A macro to format section numbering intuitively
Package section: Modifying section commands in LaTeX
Package coseoul: Context sensitive outline elements
Package attachfile2: Attach files into PDF
Package attachfile: Attach arbitrary files to a PDF document
Package pdfmarginpar: Generate marginpar-equivalent PDF annotations
Package repltext: Control how text gets copied from a PDF file
Package hypgotoe: Links to embedded files
Package pst-pdf: Make PDF versions of graphics by processing between runs
Package texilikechaps: Format chapters with a texi-like format
Package varsects: A simple package for controlling headings
Package tramlines: A package for creating tramlines (lines above and below a title used by lawyers in the UK)