diff --git a/README.md b/README.md
index a3f46b5..cc43ec8 100644
--- a/README.md
+++ b/README.md
@@ -59,4 +59,8 @@ Read [product-line and release policy](docs/PRODUCT_LINES.md) ([简体中文](do
 - **Full examples and validation:** [Full README](docs/FULL.md) · [Full validation](docs/VALIDATION.md).
 - **Mini examples and validation:** [Mini README](mini/README.md) · [Mini development](mini/docs/DEVELOPMENT.md).
 
+## External project directory
+
+- [Quiveld — author's independent projects directory](https://quiveld.com/projects/independent/).
+
 Do not infer real-world adoption, universal platform support, or performance superiority from a feature table. Evaluate your application's actual ordering and resource requirements.
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 1c9c99b..0467854 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -59,4 +59,8 @@ LayerKeySort 解决的是集合长期使用时不断插入、删除、移动实
 - **Full 示例与验证：** [Full README](docs/FULL.zh-CN.md) · [验证](docs/VALIDATION.md)。
 - **Mini 示例与验证：** [Mini README](mini/README.zh-CN.md) · [开发与验证](mini/docs/DEVELOPMENT.md)。
 
+## 外部项目目录
+
+- [Quiveld — 作者的独立项目目录](https://quiveld.com/projects/independent/)。
+
 不要从功能表推断实际采用比例、所有平台均受支持或某一产品拥有普遍性能优势。请结合实际操作负载和资源限制选型。