diff --git a/ALTERNATIVES.md b/ALTERNATIVES.md
index e1fc285..985de15 100644
--- a/ALTERNATIVES.md
+++ b/ALTERNATIVES.md
@@ -301,10 +301,10 @@ Note: All this terminals are compatible with wayland
 * __Ear Training__: [LenMus](http://www.lenmus.org/mws/noticias)
 * __Multiple Audio Streams__: [pulseaudio](https://www.freedesktop.org/wiki/Software/PulseAudio/) -> [apulse](https://github.com/i-rinat/apulse) -> [ALSA](https://alsa-project.org/wiki/Main_Page) (aloop, Softvol, Dmix)
 * __Music Player__: [Nulloy](https://nulloy.com/) ->  [Audacious](https://audacious-media-player.org/) -> [MOC](http://moc.daper.net/) (+ moc-ffmpeg-plugin) -> [cmus](https://cmus.github.io/) -> [mp3blaster](http://www.mp3blaster.org/) (runs with "aoss mp3blaster" or compiled with ALSA) -> [Potamus](https://offog.org/code/potamus/) -> [MikMod](https://github.com/sezero/mikmod) -> [Quod Libet](https://quodlibet.readthedocs.io/en/latest/)
-* __Music Visualization__: [Spectrum3d](http://spectrum3d.sourceforge.net/) -> [Le Biniou](https://directory.fsf.org/wiki/Lebiniou) -> [projectM](http://projectm.sourceforge.net/) -> cava -> [cli-visualizer](https://github.com/dpayne/cli-visualizer)
-* __Scorewriter__: MuseScore -> LilyPond -> eTktab -> Emacs (lyqi) -> Philip's Music Writer (pmw) -> ABCmidi (abcpp + abc2prt + abcm2ps)
-* __Software Sampler__: LinuxSampler -> orDrumbox -> [Hydrogen](http://www.hydrogen-music.org/hcms/)
-* __Synthesizer__: AlsaModularSynth -> [ZynAddSubFX](http://zynaddsubfx.sourceforge.net/) -> FluidSynth (+ SoundFonts)
+* __Music Visualization__: [Spectrum3d](http://spectrum3d.sourceforge.net/) -> [Le Biniou](https://directory.fsf.org/wiki/Lebiniou) -> [projectM](http://projectm.sourceforge.net/) -> [cava](https://github.com/karlstav/cava) -> [cli-visualizer](https://github.com/dpayne/cli-visualizer)
+* __Scorewriter__: [MuseScore](https://musescore.org/en) -> [LilyPond](http://lilypond.org/) -> Emacs ([lyqi](https://github.com/nsceaux/lyqi)) -> [Philip's Music Writer (pmw)](http://quercite.dx.am/pmw.html) -> [abcMIDI](https://ifdo.ca/~seymour/runabc/top.html) (abcpp + abc2prt + abcm2ps)
+* __Software Sampler__: [LinuxSampler](http://www.linuxsampler.org/) -> [orDrumbox](https://www.ordrumbox.com/) -> [Hydrogen](http://hydrogen-music.org/)
+* __Synthesizer__: [AlsaModularSynth](http://alsamodular.sourceforge.net/) -> [ZynAddSubFX](http://zynaddsubfx.sourceforge.net/) -> [FluidSynth](https://www.fluidsynth.org/) (+ SoundFonts)
 * __System Sound Compatibility__: [WineASIO](https://sourceforge.net/projects/wineasio/), oss2jack, oss-compat, alsa-oss
 * __System Sound Extensions__: pulseaudio -> Jack (jack, jack-audio-connection-kit) -> ESound (esound-common)
 * __System Sound Utilities__: pavucontrol (pulseaudio) -> JACK Rack (for Jack) -> JAMin (for Jack) -> Qastools -> gnome-alsamixer -> aumix -> Rexima -> ALSA tools (alsa-tools, alsa-tools-gui) -> [Alsaequal](https://directory.fsf.org/wiki/Alsaequal) -> [alsa-utils](https://github.com/gittup/alsa-utils) (alsamixer, amixer, aplay, arecord)