Suggestions for scrartcl
The following packages have something in common with the package scrartcl. The packages are ordered in decreasing similarity.
- scrreprt: Koma-Script ‘report’ class
 - viiptart: 7pt-article class
 - tlc-article: A LaTeX document class for formal documents
 - scrlttr2: Koma-Script ‘letter’ class
 - scrextend: Use of components of KOMA-Script by other packages
 - fac: Macros for FAC journal
 - cidarticle: A class for submissions to the “Commentarii informaticae didacticae” (CID)
 - q-and-a: Typesetting Q&A-style conversation made easier
 - korigamik: Typeset articles using KorigamiK’s document class
 - afparticle: Typesetting articles for Archives of Forensic Psychology
 - jwjournal: A personal class for writing journals
 - amsart: LaTeX document class for AMS math journal articles
 - article: Default class for composing an article
 - scrbook: Koma-Script ‘book’ class
 - cjs-rcs-article: Article class for The Canadian Journal of Statistics
 - limap: Typeset maps and blocks according to the Information Mapping® method
 - sjtutex: LaTeX classes for Shanghai Jiao Tong University
 - mwcls: Polish-oriented document classes
 - amsaddr: Alter the position of affiliations in amsart
 - koma-script-sfs: Koma-script letter class option for Finnish
 - koma-script-obsolete: Deprecated packages from koma-script
 - scrlayer-notecolumn: Control note columns parallel to the main text
 - scrbase: Provide basic features for KOMA-Script
 - scrlayer-scrpage: Define and manage page styles
 - scrjura: Koma-Script support for lawyers, etc.
 - scrletter: Letter extention to KOMA-Script classes
 - scrlayer: Manage text ‘layers’ within Koma-Script
 - scrtime: Show the time of a LaTeX run
 - scrlfile: Installation control for koma-script packages
 - tocbasic: Management of tables/lists of contents (and the like)
 - scrdate: Calendar date operations