# Suggestions for qed

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

- proofs: Macros for building proof trees
- taylor: Macros for category-theoretic diagrams
- lpform: Typesetting linear programming formulations and sets of equations
- mathdots: Commands to produce dots in math that respect font size
- pmat: Typeset partitioned matrices
- kbordermatrix: LaTeX version of \bordermatrix
- petri-nets: A set TeX/LaTeX packages for drawing Petri nets
- tex-ewd: Macros to typeset calculational proofs and programs in Dijkstra's style
- undertilde-gen: A simple macro for placing a tilde under a character
- variations: Typeset tables of variations of functions
- systeme: Format systems of equations
- anti: Typeset an anti-particle in maths mode
- mandel: Compute the Mandelbrot set
- autoaligne: Align terms and members in math expressions
- witharrows: “Aligned” math environments with arrows for comments
- formlett: Letters to multiple recipients
- simplekv: A simple key/value system for TeX and LaTeX
- expex: Linguistic examples and glosses, with reference capabilities
- binhex: Convert numbers into binary, octal and hexadecimal
- trigonometry: Demonstration code for cos and sin in TeX macros
- xlop: Calculates and displays arithmetic operations
- ean: Macros for making EAN barcodes
- bagpipe: Support for typesetting bagpipe music
- code128: Barcode macros for the Code 128 standard
- cdlabeler: Take user text and typeset it to fit a CD label
- cptex: Use different code pages for TeX input
- c-pascal: Typeset Python, C and Pascal programs
- dirtree: Display trees in the style of windows explorer
- eijkhout: Victor Eijkhout's packages
- librarian: Tools to create bibliographies in TeX
- lecturer: On-screen presentations for (almost) all formats