The Beautify module buffers the HTML output of Drupal and processes it through a formatter (e.g. custom set of built-in search/replace functions, Tidy HTML extension or htmLawed script.
The maintenance helper provides features to assist site admins in performing maintenance on their site. It provides a restricted logins mode and allows admins to set a configurable message to appear on all pages of the site.
Units API converts between various weights and measurements. The conversion uses the International System of Units (SI) conversion factors. Where possible, these conversion factors are those provided by the U.S. National Institute of Standards and Technology (NIST) Special Publication 811, 2008 Edition. If the NIST does not provide the conversion factor, other sources may be used as long as the work is GPL compatible.
The central API call, unitsapi_convert($value, $from, $to, $details = FALSE), returns the result of the conversion. By setting $default = TRUE, the result is an array that contains the converted value, plus the full name of the units involved in the conversion, singular or plural depending on the quantity.
This module is only an API and does not have an user interface.