open-source development model based on GNU GPL license, version 3,.

ability to hide list of feeds/categories,.

fully skinnable user interface + ability to create your own skins,.

KFeanza-based default icon theme + ability to create your own icon themes,.

hideable main menu, toolbars and list headers,.

ability to check for updates on all platforms + self-updating on Windows,.

fully adjustable toolbars (changeable buttons and style),.

feed authentication (Digest-MD5, BASIC, NTLM-2),.

printing of messages and any web pages,.

ability to backup/restore database or settings,.

full support of podcasts (both RSS & ATOM),.

ability to discover existing feeds on websites,.

“portable” mode support with clever auto-detection,.

is able to specify target database by its name (MySQL backend),.enhanced feed auto-updating with separate time intervals,.ability to cleanup internal message database with various options,.Google-based auto-completion for internal web browser location bar,.feed metadata fetching including icons,.

message filter with regular expressions,.downloader with own tab and support for up to 6 parallel downloads,.import/export of feeds to/from OPML 2.0,.

support for online feed synchronization via plugins,.

RSS Guard 4.5.1 download the new