Here's things that will be useful:
- A computer. Someone with a laptop might be useful, as there's no guarantee that all the puzzles will be online
- Google!
- A smart phone (capable of reading QR codes and GPS) might be really useful, although not required
Here's links to various online tools and sources:
- Wikipedia's Classical Ciphers page
- Text Manipulation: Reversing
- Text Manipulation: Word unscrambler
- Braille: Wikipedia has a braille translation chart, as well as general information about the encoding.
- UNICODE: Unicode.org is the official source of all UNICODE encodings
- Blowfish Encryption online: http://webnet77.com/cgi-bin/helpers/blowfish.pl
- MIPS architecture http://en.wikipedia.org/wiki/MIPS_architecture
- Alpha architecture: http://h18000.www1.hp.com/cpq-alphaserver/technology/literature/alphaahb.pdf
- SPARC architecture: http://developers.sun.com/solaris/articles/sparcv9.pdf
- PowerPC architecture: http://www.freescale.com/files/product/doc/MPCFPE32B.pdf
- Bridge Basics: http://www.rpbridge.net/bbtc.htm
- Card Games: http://www.pagat.com/alpha.html
- Deck of Cards: http://en.wikipedia.org/wiki/Playing_card
- Monopoly Properties: http://en.wikipedia.org/wiki/Monopoly_(game)
- Poker Hand Rank: http://www.pokerpages.com/pokerinfo/rank/index.htm
- Poker Odds: http://www.cardschat.com/odds-for-dummies.php
- Poker Terminology: http://www.seriouspoker.com/dictionary.html
- Bingo Terminology: http://www.bingo.org/articles/glossary
- Chess Openings: http://www.eudesign.com/chessops/
- Flight Statistics: FlightStats.com
- Broadway: Internet Theatre Database has a wealth of information on Broadway shows, actors, and theatre
- Dictionary/Thesaurus: Dictionary.com is a great resource for word related queries. Visca.com is another resource, which also allows searching by regular expression.
- Everything: Wikipedia contains a wealth of usually-accurate information on almost any subject.
- Fonts: Windows and Mac OS have character maps tools to view fonts.
- Movies: The Internet Movie Database has a wealth of information on TV shows, movies, actors, and production staff.
- Music: All Media Guide has a wealth of information about music artists, albums, and genres.
- Television: TV.com has a wealth of information about television shows, episode lists, and actors.
- Phone T9 stuff: T9
- Country Info: http://en.wikipedia.org/wiki/Countries_of_the_world
- State Flags: http://www.netstate.com/state_flags.htm
- State Info: http://en.wikipedia.org/wiki/U.S._state
- State Mottos: http://en.wikipedia.org/wiki/List_of_U.S._state_mottos
- Time Zones: http://www.timeanddate.com/worldclock/
- US Census Data: http://www.census.gov/
- US Map: http://www.50states.com/cap.htm
- World Map: http://www.worldpress.org/map.cfm
- Zip Codes: http://zip.langenberg.com/
- QR Codes: Online QR Code Readers
- Airport Codes: http://www.orbitz.com/pagedef/content/air/airportCodes.jsp
- Guitar Notes: http://www.guitarbasics.com/theory/chap1_lesson1.htm
- Music Keyboard: http://www.angelfire.com/tx/myquill/KeyboardLayout.html
- Note Frequencies: http://www.phy.mtu.edu/~suits/notefreqs.html
- VH1: Top 100 Music Videos: http://www.rockonthenet.com/archive/2001/vh1videos.htm
- DVORAK Keyboard Layout: http://www.mwbrooks.com/dvorak/layout.html
- Letter Frequencies: http://www.simonsingh.net/The_Black_Chamber/frequencyanalysis.html
- Phone Keypad: http://www.cs.sunysb.edu/~skiproj/tel2/phone.html
- QWERTY Keyboard Layout: http://en.wikipedia.org/wiki/Keyboard_layout
- Tarot: http://www.learntarot.com/cards.htm
- Web/HTML Colors: http://www.w3schools.com/html/html_colors.asp
- Anagrams: Andy's Anagram Solver is a great way to take the word "nagamar" and turn it into "anagram".
- Crossword puzzle clues: OneAcross can take crossword puzzle patterns and/or clues and find the word needed to fill in the puzzle. Crossword Maestro is also a great tool for visualizing crosswords (and Cryptic crosswords).
- Cryptic crosswords: Wikipedia has information and links about these types of puzzles.
- Nonograms: For all you CS gurus, writing code to solve these is always fun. Check out The World of Cryptopics for information on where to get started solving these.
- Bones of the body: http://www.meddean.luc.edu/LUMEN/meded/grossanatomy/learnem/bones/main_bone.htm
- Periodic Table: http://www.webelements.com/
- Planet Info: http://www.nineplanets.org/
- When all else fails: Bing, Google