diff --git a/Readme.md b/Readme.md
index 053e1d2..704bd3b 100644
--- a/Readme.md
+++ b/Readme.md
@@ -32,6 +32,7 @@ Overall, I tend to pick decent or promising libraries that closely related to sy
   - [Basic libraries](#basic-libraries)
     - [Fundamental libraries](#fundamental-libraries)
     - [Alternative libraries](#alternative-libraries)
+      - [Numpy Alternatives](#numpy-alternatives)
       - [Pandas Alternatives](#pandas-alternatives)
   - [Analytic tools](#analytic-tools)
     - [Metrics compution](#metrics-compution)
@@ -90,6 +91,10 @@ Overall, I tend to pick decent or promising libraries that closely related to sy
 
 ### Alternative libraries
 
+#### Numpy Alternatives
+
+- [ndarray](https://github.com/rust-ndarray/ndarray) | `Rust` | - ndarray: an N-dimensional array with array views, multidimensional slicing, and efficient operations
+
 #### Pandas Alternatives
 
 - [Polars](https://github.com/pola-rs/polars) | `Rust`, `Python` | - Polars is a blazingly fast DataFrames library implemented in Rust using Apache Arrow Columnar Format as memory model.