diff --git a/README.md b/README.md
index 285d3741..adbb82a0 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ If you're not inclined to make PRs you can tweet me at ```@ripienaar```
   * https://codeclimate.com/ - Automated code review, free for Open Source
   * http://www.sonarqube.org/ - Static code analysis, code coverage, technical debt management
   * https://houndci.com/ - Comments on github commits about code quality - free for open source
+  * https://coveralls.io/ - Display test coverage reports - free for open source
 
 ## CI / CD