Suggestions for Oval

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

Package loval: Round-cornered framed boxes
Package boxit-ltx: An environment for boxing things
Package ovalfbox: Boxes with frames whose corners are rounded
Package tabbingbox: Save a tabbing environment in a box
Package alertmessage: Alert messages for LaTeX
Package lroundrect: LaTeX macros for utilizing the roundrect METAPOST routines
Package nccboxes: Elaborate box commands
Package pageframe: Page frames, grids, etc., for LaTeX 2.09
Package shadbox: Shade the background of any box
Package boxit: Draw a box around a text
Package parboxx: Two extra alignment options for \parbox
Package split: Box two chunks of text side-by side
Package callouts-box: Provides visually appealing callout boxes
Package lucide-admonitions: Provides environments for rendering admonition boxes in multiple languages
Package pbox: A variable-width \parbox command
Package roundbox: Round boxes in LaTeX
Package crbox: Boxes with crossed corners
Package graphicxbox: Insert a graphical image as a background
Package ghab: Typeset ghab boxes in LaTeX
Package minipage-marginpar: Minipages with marginal notes
Package makebox: Defines a \makebox* command
Package tram: Typeset tram boxes in LaTeX
Package ktbox: Framework for semantic color, structured highlighting, and scholarly communication
Package pynotebook: pynotebook presents (raw, Markdown or Python) codes (and execution with LuaLaTeX) as in a Jupyter Notebook
Package fitbox: Fit graphics on a page
Package genmpage: Generalization of LaTeX’s minipages
Package postit: A LaTeX package for displaying Post-it notes
Package creationboites: Macros to create simple tcolorbox with some customizations
Package geophysics: Articles for the journal Geophysics
Package acronym209: An algorithm package developed for LaTeX 2.09
Package cyrillic209: Provides basic LaTeX 2.09 font access to the Washington cyrillic fonts