diff --git a/pkgs/by-name/fl/flock/package.nix b/pkgs/by-name/fl/flock/package.nix
index bb174cf5e01f..c571f076bb16 100644
--- a/pkgs/by-name/fl/flock/package.nix
+++ b/pkgs/by-name/fl/flock/package.nix
@@ -33,6 +33,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Cross-platform version of flock(1)";
+    homepage = "https://github.com/discoteq/flock";
     maintainers = with maintainers; [ matthewbauer ];
     mainProgram = "flock";
     platforms = platforms.all;
diff --git a/pkgs/by-name/nt/ntfy/package.nix b/pkgs/by-name/nt/ntfy/package.nix
index 5cb782c08d04..2cfbace33ecf 100644
--- a/pkgs/by-name/nt/ntfy/package.nix
+++ b/pkgs/by-name/nt/ntfy/package.nix
@@ -125,7 +125,7 @@ python.pkgs.buildPythonApplication rec {
 
   meta = with lib; {
     description = "Utility for sending notifications, on demand and when commands finish";
-    homepage = "https://ntfy.rtfd.org/";
+    homepage = "https://ntfy.readthedocs.io/en/latest/";
     license = licenses.gpl3;
     maintainers = with maintainers; [ kamilchm ];
     mainProgram = "ntfy";
diff --git a/pkgs/by-name/pe/perseus-cli/package.nix b/pkgs/by-name/pe/perseus-cli/package.nix
index 11a996ebfe2f..f5acdfc3047d 100644
--- a/pkgs/by-name/pe/perseus-cli/package.nix
+++ b/pkgs/by-name/pe/perseus-cli/package.nix
@@ -26,7 +26,7 @@ rustPlatform.buildRustPackage rec {
   '';
 
   meta = with lib; {
-    homepage = "https://arctic-hen7.github.io/perseus";
+    homepage = "https://framesurge.sh/perseus/en-US";
     description = "High-level web development framework for Rust with full support for server-side rendering and static generation";
     maintainers = with maintainers; [ max-niederman ];
     license = with licenses; [ mit ];
diff --git a/pkgs/by-name/uc/ucc/package.nix b/pkgs/by-name/uc/ucc/package.nix
index 72ed49bf5181..79930ce764f4 100644
--- a/pkgs/by-name/uc/ucc/package.nix
+++ b/pkgs/by-name/uc/ucc/package.nix
@@ -112,6 +112,7 @@ effectiveStdenv.mkDerivation (finalAttrs: {
 
   meta = with lib; {
     description = "Collective communication operations API";
+    homepage = "https://openucx.github.io/ucc/";
     mainProgram = "ucc_info";
     license = licenses.bsd3;
     maintainers = [ maintainers.markuskowa ];
diff --git a/pkgs/by-name/vl/vlan/package.nix b/pkgs/by-name/vl/vlan/package.nix
index f2aee7bad060..9a090459fd6f 100644
--- a/pkgs/by-name/vl/vlan/package.nix
+++ b/pkgs/by-name/vl/vlan/package.nix
@@ -30,6 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "User mode programs to enable VLANs on Ethernet devices";
+    homepage = "https://www.candelatech.com/~greear/vlan.html";
     platforms = platforms.linux;
     license = licenses.gpl2Plus;
     mainProgram = "vconfig";
diff --git a/pkgs/by-name/wa/watson/package.nix b/pkgs/by-name/wa/watson/package.nix
index 93c5974e7bdf..38ee0e27b87c 100644
--- a/pkgs/by-name/wa/watson/package.nix
+++ b/pkgs/by-name/wa/watson/package.nix
@@ -13,17 +13,17 @@ buildPythonApplication rec {
   version = "2.1.0";
 
   src = fetchFromGitHub {
-    owner = "TailorDev";
+    owner = "jazzband";
     repo = "Watson";
     rev = version;
     sha256 = "sha256-/AASYeMkt18KPJljAjNPRYOpg/T5xuM10LJq4LrFD0g=";
   };
 
   patches = [
-    # https://github.com/TailorDev/Watson/pull/473
+    # https://github.com/jazzband/Watson/pull/473
     (fetchpatch {
       name = "fix-completion.patch";
-      url = "https://github.com/TailorDev/Watson/commit/43ad061a981eb401c161266f497e34df891a5038.patch";
+      url = "https://github.com/jazzband/Watson/commit/43ad061a981eb401c161266f497e34df891a5038.patch";
       sha256 = "sha256-v8/asP1wooHKjyy9XXB4Rtf6x+qmGDHpRoHEne/ZCxc=";
     })
   ];
@@ -49,7 +49,7 @@ buildPythonApplication rec {
   nativeBuildInputs = [ installShellFiles ];
 
   meta = with lib; {
-    homepage = "https://tailordev.github.io/Watson/";
+    homepage = "https://github.com/jazzband/Watson";
     description = "Wonderful CLI to track your time!";
     mainProgram = "watson";
     license = licenses.mit;
diff --git a/pkgs/by-name/xb/xbase/package.nix b/pkgs/by-name/xb/xbase/package.nix
index 7f3afa0b159b..cd512138b5d3 100644
--- a/pkgs/by-name/xb/xbase/package.nix
+++ b/pkgs/by-name/xb/xbase/package.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with lib; {
-    homepage = "http://linux.techass.com/projects/xdb/";
+    homepage = "https://sourceforge.net/projects/xdb/";
     description = "C++ class library formerly known as XDB";
     platforms = platforms.linux;
     license = licenses.lgpl2;