Suggestions for xwatermark
The following packages have something in common with the package xwatermark. The packages are ordered in decreasing similarity.
- background: Placement of background material on pages of a document
 - aeb-tilebg: AeB Tiling Backgrounds
 - gradback: Gradient backgrounds for dvips output
 - pagegrid: Print page grid in background
 - gridpapers: Graph paper backgrounds and color schemes
 - magicwatermark: An easy and flexible way to set watermarks
 - fadingimage: Add full width fading pictures at the top or bottom of a page
 - psboxit: Enables one to put a PostScript drawing behind a TeX box
 - bidipagegrid: Bidi-aware page grid in background
 - was: A collection of small packages by Walter Schmidt
 - upgreek: Upright Greek letters
 - url: Verbatim with URL-sensitive line breaks
 - texments: Using the Pygments highlighter in LaTeX
 - nath: Natural mathematics notation
 - prosper: LaTeX class for high quality slides
 - subfloat: Sub-numbering for figures and tables
 - alnumsec: Alphanumeric section numbering
 - sudoku: Create sudoku grids
 - morehype: Hypertext tools for use with LaTeX
 - brclc: Support 16-bit (double) calculations in LaTeX
 - nicetext: Minimal markup for simple text (Wikipedia style) and documentation
 - handout: Create handout for auditors of a talk
 - balance: Balanced two-column mode
 - sciposter: Make posters of ISO A3 size and larger
 - bondgraph: Create bond graph figures in LaTeX documents
 - easyformat: Easily add boldface, italics and smallcaps
 - aguplus: Styles for American Geophysical Union
 - anysize: A simple package to set up document margins
 - aiaa: Typeset AIAA conference papers
 - anonchap: Make chapters be typeset like sections
 - chronosys: Drawing time-line diagrams