- Crypto Challenge - http://www.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.
- CryptaGram - http://www.isn.net/~bpj/
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]
- Cryptodaily - http://www.cryptodaily.com/
Free weekly email service. Daily email service for a fee.
- OneAcross - Cryptograms - http://www.oneacross.com/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.
- Cryptogrammaton - http://www.angelfire.com/yt/lagedor/cryptomenu.html
Ancient Greek mythological themes. Solutions listed separately, along with stories about the mythical characters in the puzzle.
- Cryptogram Solver Source Code - http://www.gtoal.com/wordgames/cryptograms.html
Source code archive with several programs to automatically solve puzzles. Also includes "crypo-quote" of the day.
- Puzz.com: Cryptograms - http://www.puzz.com/cryptograms.html
Ten problems with solutions taken from famous sayings, adages, and proverbs. By William F. Bultas.
- CRpuzzles - http://www.crpuzzles.com/crypto/
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]
- Literary Cryptograms - http://www.mirror.org/crypt/
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.
- Edgar Allan Poe Crypto Challenge - http://www.bokler.com/eapoe.html
Historical background, contest details, and solution for the 157 year-old cryptograph which may have been written by Edgar Allan Poe.
- Cryptogram Corner - http://www.geocities.com/cryptogramcorner/
Daily puzzles and past archive. Has links to other subject related sites.
- All-Star Puzzles' Cryptograms - http://www.allstarpuzzles.com/cryptogram/index.html
Daily problems with browser based solver. The author's name is hidden in the cipher alphabet. [Requires Java]
- Crypto Daily - http://www.cryptodaily.com/cryptograms.html
Delivered via email. Also has advice on how to solve.
- Cryptograms Louise - http://www.cryptogramsbylouise.com/cgrams.html
A new problem every week.
- Cryptographs - http://www.cryptograph.com/
Puzzles featuring a portrait of a famous person and an encrypted quotation of its source or subject.
- Cryptogram game - http://teppo.tv/cryptogram/
Browser based solver. [Requires Flash 6]
- Between Waters - http://www.betweenwaters.com/
Daily problems and solutions available with or without interactive browser-based solver.
- Cryptograms Weekly - http://cryptograms.ca/
Weekly puzzles for printing and solving along with the solutions. Also offers a magazine and an online store.
- CryptoChallenge - http://www.geocities.com/krypticl/
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.
- Cryptagram - http://www.cryptagram.com
Cryptagram is a Windows version of CryptoQuote and WordSearch. It is availible in a freeware and an extended version.
- Cryptic Quoter - http://guitar.to/cryptic.html
Functional online cryptogram machine and solver. Has wof and buster extra features.
- RuneQuest Challenge - http://members.aol.com/SciRealm/RuneQuest.html
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.
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