diff --git a/pkgs/by-name/js/jsoncons/package.nix b/pkgs/by-name/js/jsoncons/package.nix
new file mode 100644
index 000000000000..57908ded4a16
--- /dev/null
+++ b/pkgs/by-name/js/jsoncons/package.nix
@@ -0,0 +1,24 @@
+{ lib, stdenv, fetchFromGitHub, cmake }:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "jsoncons";
+  version = "0.173.4";
+
+  src = fetchFromGitHub {
+    owner = "danielaparker";
+    repo = "jsoncons";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-Mf3kvfYAcwNrwbvGyMP6PQmk5e5Mz7b0qCZ6yi95ksk=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = with lib; {
+    description = "A C++, header-only library for constructing JSON and JSON-like data formats";
+    homepage = "https://danielaparker.github.io/jsoncons/";
+    changelog = "https://github.com/danielaparker/jsoncons/blob/${finalAttrs.src.rev}/CHANGELOG.md";
+    license = licenses.boost;
+    maintainers = with maintainers; [ sikmir ];
+    platforms = platforms.all;
+  };
+})