xindy is a flexible program for sorting and formatting book indexes. It was written by Joachim Schrod as a successor to

MakeIndex MakeIndex is a computer program which provides a sorted index from unsorted raw data. MakeIndex can process raw data output by various programs, however, it is generally used with LaTeX and troff. MakeIndex was written around the year 1986 by Peho ...

. xindy supports indexing for a variety of programs, including especially

LaTeX Latex is an emulsion (stable dispersion) of polymer microparticles in water. Latexes are found in nature, but synthetic latexes are common as well. In nature, latex is found as a milky fluid found in 10% of all flowering plants (angiosperms ...

and

troff troff (), short for "typesetter roff", is the major component of a document processing system developed by Bell Labs for the Unix operating system. troff and the related nroff were both developed from the original roff. While nroff was inten ...

, and produces complex indices of the data. xindy is cited as one of the most widely used indexing programs for LaTeX. Unlike MakeIndex, xindy features strong support for many languages in addition to English, and many standard character encodings including Unicode. xindy is licensed under the

GNU GPL The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the four freedoms to run, study, share, and modify the software. The license was the first copyleft for general us ...

References

External links

* Free TeX software Troff Index (publishing) {{software-stub