diff --git a/more/free-programming-cheatsheets.md b/more/free-programming-cheatsheets.md
index 695faa58d..57970073f 100644
--- a/more/free-programming-cheatsheets.md
+++ b/more/free-programming-cheatsheets.md
@@ -108,6 +108,7 @@
 
 * [C# Cheat Sheet](https://simplecheatsheet.com/tag/c-cheat-sheet-1/) - Simple Cheat Sheet (HTML)
 * [C# Cheat Sheet](https://www.thecodingguys.net/resources/cs-cheat-sheet.pdf) - THECODINGGUYS (PDF)
+* [C# Cheat Sheet](https://zerotomastery.io/cheatsheets/csharp-cheat-sheet/) - ZeroToMaster.io (HTML/PDF)
 
 
 ### <a id="cpp"></a>C++