Although this probably won't affect many of you, I'm very, very pleased about this. Finally I can get a taste of Left 4 Dead without having to steal people's laptops.
None.

Currently Working On: 
NudeRaider -- Ultraviolet
maybe not replaced, just add a discord applet below the shoutbox imo
Ultraviolet --
maybe not replaced, just add a discord applet below the shoutbox imo
Symmetry -- https://scmjs.dev/editor/ in browser editor that came out this year too 
NudeRaider