diff --git a/hosts/ti-clt-dsk01/home.nix b/hosts/ti-clt-dsk01/home.nix
index 14d8eb6..1ec5e40 100644
--- a/hosts/ti-clt-dsk01/home.nix
+++ b/hosts/ti-clt-dsk01/home.nix
@@ -45,10 +45,9 @@
       unstable.brave
       unstable.freecad
       unstable.hoppscotch
-      unstable.xournalpp
-      unstable.apostrophe
       unstable.signal-desktop
-      unstable.inlyne
+
+      unstable.surfer # waveform viewer
 
       # Office
       libreoffice
diff --git a/hosts/ti-clt-lpt01/home.nix b/hosts/ti-clt-lpt01/home.nix
index 33d031d..d231f78 100644
--- a/hosts/ti-clt-lpt01/home.nix
+++ b/hosts/ti-clt-lpt01/home.nix
@@ -49,6 +49,7 @@
       unstable.bottles
       unstable.hoppscotch
       unstable.apostrophe
+      unstable.surfer # waveform viewer
 
       # Office
       libreoffice