Meteocons is a set of weather icons, it consists of 40+ icons available in PSD, CSH, EPS, SVG, Desktop Fonts and Web Font. All updates are free and will always be free.
is a set of 434 (and growing) web and application icons inspired by advertising clip art of the 1920′s and 1930′s. The set is available in vector format and also includes a CSS/PNG sprite version. → GPL Licensed Version (download) : http://iconify.it/?file_id=9