diff --git a/pkgs/tools/misc/3mux/default.nix b/pkgs/tools/misc/3mux/default.nix
new file mode 100644
index 00000000000..3371b795623
--- /dev/null
+++ b/pkgs/tools/misc/3mux/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "3mux";
+  version = "0.2.0";
+
+  src = fetchFromGitHub {
+    owner = "aaronjanse";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "02ry066psvlqdyhimci7nskw4sfb70dw5z7ag7s7rz36gmx1vnmr";
+  };
+
+  modSha256 = "1ag9lx8xcp2z9lrg404914zin45n8f4s08365yk71q5vyiwxjj3i";
+
+  meta = with stdenv.lib; {
+    description = "Terminal multiplexer inspired by i3";
+    homepage = "https://github.com/aaronjanse/3mux";
+    license = licenses.mit;
+    maintainers = with maintainers; [ aaronjanse filalex77 ];
+    # TODO: fix modules build on darwin
+    broken = stdenv.isDarwin;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 26037d86c63..c0091519d40 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -510,6 +510,8 @@ in
 
   _3llo = callPackage ../tools/misc/3llo { };
 
+  _3mux = callPackage ../tools/misc/3mux { };
+
   _1password = callPackage ../applications/misc/1password { };
 
   _6tunnel = callPackage ../tools/networking/6tunnel { };