anagram is a fast command-line C program to find all possible anagrams of a
word or phrase that can be made from the words on the system or a user-supplied
wordlist.It was developed on Unix in 1985 and should compile and run on almost
anything.

Searches a list of files looking for duplicate code

Uses Reed-Solomon algorithm to produce a RAID-like data protection and recovery system

Saros enables you to find any solar eclipse between about 2500 BC and 3500 AD, and to display or save (JPEG, PNG, PDF) a graphical
representation of the path of the central line.

WordSearch is a Perl script that generates word search puzzles. It will
generate random word search puzzles, or you can give it a list which
will allow it to generate your own puzzles.