deRSS parses RSS 2.0 feeds and downloads files referenced in <enclosure url=""/> or (if not present) <link> elements. To avoid downloading files twice, deRSS stores the publication date of the newest downloaded file. deRSS works nicely with cron.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.