Suggestions for grayhints

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

• rmannot: Create rich media annotations in a PDF file
• fitr: Set a rectangular destination and jump to it
• fc-arith: Create an arithmetic flash card
• jj-game: A LaTeX class to construct Jeopardy-like games
• acroflex: Create a graphing widget in a PDF file
• datepicker-pro: Create a popup datepicker using SWF
• fldigigal: Create a Flash slide show of digital photos
• forms16be: Initialize form properties using big-endian encoding
• aebenvelope: The AeB Pro eEnvelope System
• annot-pro: Create text, stamp and file attachment annotations
• qrcstamps: Create QR codes using stamps
• opacity-pro: Set transparency and blend mode
• xsavebox: Saveboxes for repeating content without code replication, based on PDF Form XObjects
• fixocgx: Add support for dvips+ps2pdf, XeLaTeX, dvipdfmx to the ocgx package
• ocgx2: Drop-in replacement for ‘ocgx’ and ‘ocg-p’
• aeb-pro: Items from the AeB Pro Family of Software
• hyperref: Extensive support for hypertext in LaTeX
• mkstmp_pro: Provides a simple workflow for creating custom stamps
• xbmks: Create a cross-document bookmark tree
• dps: Create a "matching" game with a hidden message
• pmdb: Create a DB (PDF) document for selecting content for inclusion in another documents
• acrotex: The AcroTeX education bundle
• aeb-mlink: Multi-line links with hyperref
• digicap-pro: Creates captions to digital photos
• hyperbar: Add interactive Barcode fields to PDF forms
• richtext: Create rich text strings
• artthreads: Support for article threads
• popupmenu: Create popup menus in PDF files
• eq2db: Convert a quiz to one submitted to a server-side script
• aebslicing: An image slicer
• acromemory: Memory games in LaTeX