As Spectragryph has just been release, there is no data
yet on it's use all over the world. However, on can expect that it will
rapidly spread among the current Spekwin32 users. Therefore, here you
see data about Spekwin32.
kept getting downloaded by academic, private and commercial users from
all over the world, starting in 2002 until the current release in 11/2016
of its successor software: Spectragryph..
From 02/2013 - 04/2016, it was downloaded about 19,000 times
by over 13,000 individuals from 143 countries. About 95%
of those are academic & private users. The "top five"
countries are responsible for 45% of the downloads. India is on third
From the times, when a SiteMeter counter was running on the website,
there is a compilation
of visitor domains. This covers the years 2004 - 2012 and shows
visitors from 128 countries.