SvnHg is a command-line tool to convert from a Subversion repository to a Mercurial one, preserving the whole history of the repository.
histogram creates a bar chart of data in your terminal. The width of the histogram is scaled to fit your terminal, and uses a resolution of 1/8th of a character.
FindRepe finds (and optionally deletes) duplicated files by content, not name. It uses MD5 and SHA1 hashes to compare files. It can also compare just by file name.
Linux Control and Measurement Device Interface
A content anomaly detector based on n-grams.