diff --git a/README.md b/README.md
index 7ce648a..fc24ae0 100644
--- a/README.md
+++ b/README.md
@@ -124,6 +124,7 @@ This list is for websites, services, software, tools and more: everything that y
 - [EasyEDA](https://easyeda.com/) - Easy to use with both browser based and cross platform app versions. Integrates [LCSC](https://www.lcsc.com/products) and [JLCPCB](https://jlcpcb.com/parts) component catalogs with 3D models.
 
 ## Paid EDA Packages
+- [Altium](https://www.altium.com/) - PCB Design Software & Tools.
 - [Proteus](https://www.labcenter.com/) - PCB Design and Circuit Simulator Software.
 
 ## CAD Specific
@@ -144,6 +145,9 @@ This list is for websites, services, software, tools and more: everything that y
 - [Adafruit Eagle Library](https://github.com/adafruit/Adafruit-Eagle-Library)
 - [SparkFun Electronics Eagle Libraries](https://github.com/sparkfun/SparkFun-Eagle-Libraries)
 
+### Altium
+- [Altium Designer Libraries](https://www.altium.com/documentation/other_installers#!libraries) - `.IntLib` and `.PcbLib` of electronic components from different manufacturers.
+
 
 ## PCB Batching Services
 - [PCBShopper](https://pcbshopper.com/) - Comparison service for quite a lot of different PCB batching and assembly services.