diff --git a/free-programming-playgrounds.md b/free-programming-playgrounds.md
index 757d6055..d0c346db 100644
--- a/free-programming-playgrounds.md
+++ b/free-programming-playgrounds.md
@@ -139,6 +139,7 @@
 
 ### SQL
 
+* [Extends Class](https://extendsclass.com/sqlite-browser.html)
 * [SQLFiddle](http://sqlfiddle.com)