AD MAJOREM DEI GLORIAM
Our suggestions
Your mailing lists available through the web
GPL-distributed PHP software which transforms mailing list archives to W3C-compliant web pages.
Sort your photographs
Renames or copies JPEG files according to Exif data embedded in them
Columns filled with numbers turned into images
ECMAScript (Javascript) library, distributed under the GPL license, that creates charts from (x)HTML tables.