diff --git a/README.md b/README.md
index bfcd3b3..fabea1d 100644
--- a/README.md
+++ b/README.md
@@ -32,4 +32,6 @@ Windows 7
 
 ##Copyright
 
-[World map](http://creativecommons.org/licenses/by-nc/4.0) converted from SVG to XAML
+- [World map](http://creativecommons.org/licenses/by-nc/4.0) converted from SVG to XAML
+- [IP2Location](http://lite.ip2location.com/database-ip-country#ipv4) converted from CSV to SQL
+- [Charts](https://modernuicharts.codeplex.com/license)