From Fedora Project Wiki

Incomplete list of applications with some features disabled (for some legal/moral/political reasons) in Fedora. Just for my and your reference.

Name Disabled features Reasons RPMFusion
Package-x-generic-16.pngSDL_mixer mp3 support (using smpeg or libmad) ? (requires licensing change to (L)GPL) No
Package-x-generic-16.pngSDL_sound smpeg support is disabled software patents No
Package-x-generic-16.pngagg Generic Polygon Clipper algorithm was removed 'non-commercial' clause No
Package-x-generic-16.pngbotan EC crypto algorithms software patents No
Package-x-generic-16.pngcairo-dock ??? undisclosed software patents' related possible issue Yes
Package-x-generic-16.pngemacs removed Tetris game possible copyright infringement No
Package-x-generic-16.pngfdk-aac Incompatible HE-AAC decoding software patents Yes
Package-x-generic-16.pngfestival OALD dictionary / MBROLA dictionary 'non-commercial' clause / non-free license No
Package-x-generic-16.pngfortune-mod offensive fortunes offensive No
Package-x-generic-16.pngfuse-emulator ROM files stripped No ROMs allowed Yes
Package-x-generic-16.pnggdm disabled root login care of newbz n/a
Package-x-generic-16.pnggstreamer1-plugins-bad h.265, faad2, RTMP, HEVC and other multimedia functionality software patents Yes
Package-x-generic-16.pnggstreamer1-plugins-ugly x264 software patents Yes
Package-x-generic-16.pnggt support for encoding to ac3 was removed software patents No
Package-x-generic-16.pnghttpd explicitly disabled export ciphers in mod_ssl config US Laws (?) No
Package-x-generic-16.pnghttptunnel removed some docs non-free license No
Package-x-generic-16.pnglibgcrypt Elliptic Curve crypto algorithm software patents and US Laws (?) No
Package-x-generic-16.pngogre Cg support, non-free/non-distributable assets removed Cg is proprietary No
Package-x-generic-16.pngOpenCV SIFT/SURF support software patents No
Package-x-generic-16.pngOpenSSL some Elliptic curves software patents and US Laws (?) No
Package-x-generic-16.pngopal iLBC support restrictive license for iLBC No
Package-x-generic-16.pngqmmp AAC support software patents Yes
Package-x-generic-16.pngScummVM AAC / AC3 support software patents No
Package-x-generic-16.pngsox-plugins amrnb / amrwb support software patents Yes
Package-x-generic-16.pngtcl-trf RIPEMD support non-free license No
Package-x-generic-16.pngxemacs removed Tetris game possible copyright infringement No
Package-x-generic-16.pngxorg-x11-server ctrl-alt-bksp disabled in display manager care of newbz n/a
Package-x-generic-16.pngxscreensaver barcode stripped, bsod excluded from random list, webcollage uses nonet offensive words, confuse users, may show porn No
foo bar support some reason