Suggestions for abstract

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

Package abstr-collect: Print a collection of abstracts
Package upgreek: Upright Greek letters
Package babel-esperanto: Babel support for Esperanto
Package slashed: Put a slash through characters
Package dotlessj: Generates a dot-less j
Package siunitx: A comprehensive (SI) units package
Package chemarr: Arrows for chemists
Package centernot: Centred \not command
Package amsrefs: A LaTeX-based replacement for BibTeX
Package eqnlines: Single- and multiline equations
Package acronym: Expand acronyms at least once
Package appendix: Extra control of appendices
Package algorithmicx: The algorithmic style you always wanted
Package algorithms: A suite of tools for typesetting algorithms in pseudo-code
Package bxcoloremoji: Use color emojis more conveniently
Package boxedminipage: Framed minipages of a specified total width (text and frame combined)
Package chemarrow: Arrows for use in chemistry
Package changepage: Margin adjustment and detection of odd/even pages
Package chngpage: Change the page layout in the middle of a document
Package circledtext: Create circled text
Package cite: Improved citation handling in LaTeX
Package crossreftools: Expandable extraction of cleveref data
Package colophon: Provides commands for producing a colophon
Package calrsfs: Copperplate calligraphic letters in LaTeX
Package doclicense: Support for putting documents under a license
Package delimset: Typeset and declare sets of delimiters with convenient size control
Package extpfeil: Extensible arrows in mathematics
Package emo: Emoji for all (LaTeX engines)
Package eso-pic: Add picture commands (or backgrounds) to every page
Package extsizes: Extend the standard classes’ size options
Package extarrows: Extra Arrows beyond those provided in amsmath