CRpuzzles
crpuzzles.com
Collection with browser-based solver tool. Includes hints. After deciphering the hidden quotation, solvers must derive the author's name from the cipher-quote letter pairs to complete their puzzle task. [Requires Java]
Puzz.com: Cryptograms
puzz.com
Ten problems with solutions taken from famous sayings, adages, and proverbs. By William F. Bultas.
Literary Cryptograms
mirror.org
Collection based on literary passages, both general and with specific sets from William Cowper, Jane Austen's Persuasion, Plato's Phaedrus. Includes browser-based solution and solving instructions.
Cryptogrammaton
angelfire.com
Ancient Greek mythological themes. Solutions listed separately, along with stories about the mythical characters in the puzzle.
OneAcross - Cryptograms
oneacross.com
Solving tool through web browser. Allows entry of a phrase, or selection from "easy, medium, or hard" quotations taken from the Linux fortune collection. Also features the ability to send cryptogram-encoded messages via email.
RuneQuest Challenge
members.aol.com
A multi-layered cipher puzzle using lore themes with cash prizes for various checkpoints and the final solution. In order to be eligible for the prizes, a solver must register their name/address/email and pay a registration fee. Registered people will get some additional helpful clues.
Cryptogram game
teppo.tv
Browser based solver. [Requires Flash 6]
Cryptograms Weekly
cryptograms.ca
Weekly puzzles for printing and solving along with the solutions. Also offers a magazine and an online store.
Cryptagram
cryptagram.com
Windows version of CryptoQuote and WordSearch. It is available in a freeware and an extended version.
CryptoChallenge
geocities.com
A series of puzzles to solve. Has an encrypted sentence for each level. When it receives the decrypted answer it goes to another page with another encrypted message in a more advanced level.
Cryptic Quoter
gootar.com
Functional online cryptogram machine and solver. Has wof and buster extra features.
Letter Frequency and Word Frequency in the English Language
letterfrequency.org
Has the statistics for various types of writings(Press, Religious, Scientific), position in the word(first, second, third, last), and digraphs.
Cryptogram Solver Source Code
gtoal.com
Source code archive with several programs to automatically solve puzzles. Also includes "crypo-quote" of the day.
All-Star Puzzles' Cryptograms
allstarpuzzles.com
Daily problems with browser based solver. The author's name is hidden in the cipher alphabet. [Requires Java]
Cryptographs
cryptograph.com
Puzzles featuring a portrait of a famous person and an encrypted quotation of its source or subject.
CryptaGram
isn.net
Offers download of limited version solver software. Extended version available for purchase. Has 14 quote topics, three levels of difficulty, and helpers. [Windows 95/98]
Edgar Allan Poe Crypto Challenge
bokler.com
Historical background, contest details, and solution for the 157 year-old cryptograph which may have been written by Edgar Allan Poe.
Cryptogram Corner
geocities.com
Daily puzzles and past archive. Has links to other subject related sites.
Professor Payne's World of Cryptograms
freelearning.com
Interactive browser-based solver. Also contains program to generate cryptograms from a user-submitted quotation.
American Cryptogram Association: Crypto Drop Box
und.nodak.edu
Sample journal issue, links to member homepages, subject-related graphics, subscription information, and resources.
Between Waters
betweenwaters.com
Daily problems and solutions available with or without interactive browser-based solver.
Copycreate.com Cryptoquote/Cryptogram
copycreate.com
Daily cryptoquotes, and archive. Has browser-based helper form.
Crypto Challenge
cryptochallenge.com
Free Windows-based software for solving. Uses quotations, humorous sayings, and scriptures. Extras available for a nominal charge. Includes screen shots. Keeps track of which letters are in play. Counts the frequency of each letter. Word lookup table.
Cryptograms Louise
cryptogramsbylouise.com
A new problem every week.