diff --git a/pkgs/by-name/fo/fortitude/package.nix b/pkgs/by-name/fo/fortitude/package.nix
new file mode 100644
index 000000000000..216151c00df0
--- /dev/null
+++ b/pkgs/by-name/fo/fortitude/package.nix
@@ -0,0 +1,30 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+}:
+
+rustPlatform.buildRustPackage {
+  pname = "fortitude";
+  version = "0.7.5-unstable-2025-10-14";
+
+  src = fetchFromGitHub {
+    owner = "PlasmaFAIR";
+    repo = "fortitude";
+    rev = "ca65546d69947500eeb37a2bbc58151012ab40d9";
+    hash = "sha256-PKOPQnVQbvqEoCPO9K3ofajbcId83uLbma6R9RiBzys=";
+  };
+
+  cargoHash = "sha256-hNAONXSy1uxm7AHvMHWNboL9NpQfvEOfTQivushp7S4=";
+
+  meta = {
+    description = "Fortran linter written in Rust inspired by Ruff";
+    homepage = "https://fortitude.readthedocs.io/en/stable/";
+    downloadPage = "https://github.com/PlasmaFAIR/fortitude";
+    changelog = "https://github.com/PlasmaFAIR/fortitude/blob/main/CHANGELOG.md";
+    license = lib.licenses.mit;
+    mainProgram = "fortitude";
+    maintainers = with lib.maintainers; [ loicreynier ];
+    platforms = with lib.platforms; windows ++ darwin ++ linux;
+  };
+}