Suggestions for reptheorem
The following packages have something in common with the package reptheorem. The packages are ordered in decreasing similarity.
- create-theorem: Initializing and configuring theorem-like environments, with multilingual support
 - autobreak: Simple line breaking of long formulae
 - thmtools: Extensions to theorem environments
 - inkpaper: A mathematical paper template
 - phfthm: Goodies for theorems and proofs
 - ntheorem: Enhanced theorem environment
 - thmbox: Decorate theorem statements
 - nccthm: Another theorem environment
 - newproof: Make commands to define proofs
 - shadethm: Theorem environments that are shaded
 - linkedthm: Hyperlinked theorem–proof environments for LaTeX
 - thmlist: A LaTeX package for adding theorem environments quickly
 - keytheorems: An l3keys interface to amsthm
 - coolthms: Reference items in a theorem environment
 - thrmappendix: Theorems, lemmas, etc., in appendix
 - theoremref: References with automatic theorem names
 - csthm: Customized theorem environments for computer science documents
 - amsthm: Typesetting theorems (AMS style)
 - theorem: Manipulate theorem environments
 - rmthm: Use a roman font for theorem statements
 - spalign: Typeset matrices and arrays with spaces and semicolons as delimiters
 - coloredtheorem: A colourful boxed theorem environment
 - newthm: Obsolete version of ntheorem
 - upgreek: Upright Greek letters
 - eqnalign: Make eqnarray behave like align
 - eqnarray: More generalised equation arrays with numbering
 - abraces: Asymmetric over-/underbraces in maths
 - nath: Natural mathematics notation
 - bropd: Simplified brackets and differentials in LaTeX
 - constants: Automatic numbering of constants
 - conteq: Typeset multiline continued equalities