Automatically-Created Palindromes: Computer-generated wordplay plus more made by humans.
Cape Canaveral: Supplies word and number palindromes.
Jim Kalb's Palindrome Connection: Also supplies links to related resources, both online and elsewhere.
John's Palindromes: Old and newly-discovered palindromes.
Mockok.com: A collection of palindromes, focusing on palindromic single sentences. Currently over 2,000 archived.
Neil/Fred's List of Palindromes: Palindromes in English, Dutch, Latin, Swedish and Welsh plus palindromic poems and computer programs.
Noemata Palindrome Collection: Claims to have 2830 palindromes in thirty-five languages.
Once Upon A Palindrome: A word game and story. At the end of each chapter, the reader must fill in the appropriate palindrome.
Palindromania: The main feature is a palindrome of the day, wherein the viewer is tested to create a palindrome
Palindrome Parade: An alphabetically-listed collection of palindromes.
Palindromelist.com: A list of palindromes, which are words or phrases that read the same backwards or forwards.
Palindromes by Brownielocks: Palindromic poems, stories and history.
Political Satire Palindromes: Reader-contributed commentaries on political leaders.
The Palindromist Magazine: An offline journal for people who write and enjoy palindromes.
University of Texas: List of palindromes from students.
What Are Palindromes?: A list of palindromes along with their history and poems. Includes a wordplay bookstore.
World's Longest Palindrome?: A palindrome made up of 17,259 words.