diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
new file mode 100644
index 00000000..16ced401
--- /dev/null
+++ b/.github/workflows/stale.yml
@@ -0,0 +1,25 @@
+# This workflow warns and then closes issues and PRs that have had no activity for a specified amount of time.
+#
+# You can adjust the behavior by modifying this file.
+# For more information, see:
+# https://github.com/actions/stale
+name: Mark stale issues and pull requests
+
+on:
+  schedule:
+  - cron: '43 1 * * *'
+
+jobs:
+  stale:
+
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+
+    steps:
+    - uses: actions/stale@v3
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        stale-issue-message: "This looks stale!"
+        stale-pr-message: "This looks stale!"
diff --git a/readme.md b/readme.md
index 9edc34d6..44dd25c4 100644
--- a/readme.md
+++ b/readme.md
@@ -627,6 +627,7 @@ Make sure to see [contributing.md](/contributing.md) for instructions on contrib
 * [OX](o/OX.oz)
 * [Oxygene](o/Oxygene.pas)
 * [o:XML](o/o%CB%B8XML)
+* [Org-mode](o/Org-mode.org)
 * [Parenthetic](p/Parenthetic.p)
 * [Parser](p/Parser.p)
 * [Pascal](p/Pascal.p)