Suggestions for thrmappendix

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

Package everysel: Provides hooks into \selectfont
Package bophook: Provides an At-Begin-Page hook
Package atveryend: Hooks at the very end of a document
Package auxhook: Hooks for auxiliary files
Package atbegshi: Execute stuff at \shipout time
Package boxhandler: Flexible Captioning and Deferred Box/List Printing
Package everypage: Provide hooks to be run on every page of a document
Package eso-pic: Add picture commands (or backgrounds) to every page
Package everyshi: Take action at every \shipout
Package atenddvi: Provides the \AtEndDvi command
Package rmthm: Use a roman font for theorem statements
Package create-theorem: Initializing and configuring theorem-like environments, with multilingual support
Package proof-at-the-end: A package to move proofs to appendix
Package phfthm: Goodies for theorems and proofs
Package inkpaper: A mathematical paper template
Package appendix: Extra control of appendices
Package linkedthm: Hyperlinked theorem–proof environments for LaTeX
Package nccthm: Another theorem environment
Package statementsp: Theorem and proposition boxes with preview and recall functions
Package reptheorem: Repetition of theorem environments
Package apxproof: Proofs in appendix
Package apptools: Tools for customising appendices
Package autobreak: Simple line breaking of long formulae
Package thmtools: Extensions to theorem environments
Package thmlist: A LaTeX package for adding theorem environments quickly
Package newproof: Make commands to define proofs
Package csthm: Customized theorem environments for computer science documents
Package coolthms: Reference items in a theorem environment
Package thmbox: Decorate theorem statements
Package shadethm: Theorem environments that are shaded
Package ntheorem: Enhanced theorem environment