diff --git a/docs/_sidebar.md b/docs/_sidebar.md
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@@ -4,4 +4,5 @@
 * [REPL and shell integration](repl.md)
 * [Libraries](libraries.md)
 * [Language extensions](language-extensions.md)
+* [See also](see-also.md)
 * [FAQ](FAQ.md)
diff --git a/docs/see-also.md b/docs/see-also.md
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@@ -0,0 +1,7 @@
+See also
+========
+
+In addition to all the libraries mentioned, these projects share some
+of CIEL's goals and are of particular interest:
+
+- [CLNG](https://github.com/commander-trashdin/clng/issues) (Common Lisp Next Generation): a place to discuss low-level and high-level new features for Common Lisp implementations.