

I would say they *should* be usable on websites and/or in programs, but the license text does not explicitly state so.

(13) Usage on non-commercial website may be possible, after request and with credit.(9) No modification, no redistribution, other than that 100% free.(7) For use on websites (possibly with restrictions, such as requirement to set a link).(6) Creative Commons Attribution-NonCommercial License:.

(5) No info about usage rights, only about redistributing the icons.(4) Free for personal use on your computer/desktop.
