The Cryptogram was first used for entertainment during the Middle Ages by monks with spare time. A manuscript found at Bamberg states that Irish visitors to the court of Merfyn Frych ap Gwriad (died 844), king of Gwynedd in Wales were given a cryptogram which could only be solved by transposing the letters from Latin into Greek. Around the 13th century, the English monk Roger Bacon wrote a book in which he listed seven cipher methods, and stated that "a man is crazy who writes a secret in any other way than one which will conceal it from the vulgar". During the Rennaisance, cryptograms were used to political ends.
More on [ Cryptogram ]

All-Star Puzzles' Cryptograms - Daily problems with browser based solver. The author's name is hidden in the cipher alphabet. [Requires Java]
Meta Description: [ Classic cryptograms with a challenging twist. ]
American Cryptogram Association: Crypto Drop Box - Sample journal issue, links to member homepages, subject-related graphics, subscription information, and resources.
Between Waters - Daily problems and solutions available with or without interactive browser-based solver.
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Copycreate.com Cryptoquote/Cryptogram - Daily cryptoquotes, and archive. Has browser-based helper form.
CRpuzzles - 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]
Meta Description: [ New free puzzles daily: Cryptogram, Crypto List, Word Search, Crossword Puzzle, Picture Scramble, Logic Problem, Kriss Kross, Word Math, and more. ]
CryptaGram - 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]
Cryptagram - Cryptagram is a Windows version of CryptoQuote and WordSearch. It is availible in a freeware and an extended version.
Cryptic Quoter - Functional online cryptogram machine and solver. Has wof and buster extra features.
Meta Description: [ axydlbaaxr is longfellow, Cryptic quotes Generator Writer ]
Crypto Challenge - 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.
Meta Description: [ An excellent application for cryptogram
lovers. Download it free and try it out. Extra cryptograms available for a
nominal charge. Cryptograms include quotes, humorous sayings, scriptures, historical dates
and poems. New: a word lookup for partially solved words of up to five letters.Can't h... ]
Cryptogram game - Browser based solver. [Requires Flash 6]
Meta Description: [ Your mission is to decipher a secret message. Computer will do the hard work and leave you with the fun part. ]
Cryptogram Solver Source Code - Source code archive with several programs to automatically solve puzzles. Also includes crypo-quote of the day.
Cryptograms Louise - A new problem every week.
Cryptograms Weekly - Weekly puzzles for printing and solving along with the solutions. Also offers a magazine and an online store.
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Cryptographs - Puzzles featuring a portrait of a famous person and an encrypted quotation of its source or subject.
Edgar Allan Poe Crypto Challenge - Historical background, contest details, and solution for the 157 year-old cryptograph which may have been written by Edgar Allan Poe.
Meta Description: [ Win fame and prizes for solving a 157 year-old cryptograph which may have been written by Edgar Allan Poe. ]
Letter Frequency and Word Frequency in the English Language - Has the statistics for various types of writings(Press, Religious, Scientific), position in the word(first, second, third, last), and digraphs.
Meta Description: [ Letter Frequency and Word Frequency in the English Language (Letter Frequencies and Word Frequencies) ]
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Literary Cryptograms - 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.
Meta Description: [ Home Page for Mirror Website Cryptogram Puzzles. ]
OneAcross - Cryptograms - 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.
Meta Description: [ Free help with crossword puzzles, search to find answers to crossword puzzle clues. ]
Professor Payne's World of Cryptograms - Interactive browser-based solver. Also contains program to generate cryptograms from a user-submitted quotation.
Puzz.com: Cryptograms - Ten problems with solutions taken from famous sayings, adages, and proverbs. By William F. Bultas.
Meta Description: [ Try to decipher these fun cryptograms, which were made using famous (and often humorous) sayings, adages, proverbs & maxims. ]
RuneQuest Challenge - 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.
Meta Description: [ RuneQuest : A Cipher Challenge - by John B. Wilson ]
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Wordles! - Get free cryptograms, create your own, and look up crossword puzzle words.
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