diff --git a/README.md b/README.md
index 71afad1..9690de9 100644
--- a/README.md
+++ b/README.md
@@ -25,3 +25,4 @@
 
 * .gitignore templates for various programming languages and operating systems: https://github.com/github/gitignore
 
+* merge visualization tools: https://stackoverflow.com/questions/137102/whats-the-best-visual-merge-tool-for-git