L7 Filter is described as 'L7-filter is a classifier for Linuxs Netfilter that identifies packets based on application layer data. It can classify packets as Kazaa, HTTP, Jabber, Citrix, BitTorrent, FTP, Gnucleus, eDonkey2000, etc., regardless of port' and is an app in the network & admin category. There are six alternatives to L7 Filter for a variety of platforms, including Windows, Linux, BSD, OPNsense and OpenWrt apps. The best L7 Filter alternative is NetBalancer. It's not free, so if you're looking for a free alternative, you could try Traffic Shaper XP or netifyd. Other great apps like L7 Filter are cFosSpeed, Bandwidth Manager and Throttled Pro.