diff --git a/External-themes.md b/External-themes.md
index 5f80f4f..5dd4515 100644
--- a/External-themes.md
+++ b/External-themes.md
@@ -513,4 +513,20 @@ A theme designed for simplicity, neatness and availability of information, adapt
 
 See [repo](https://github.com/Raindeer44/vero) for source and documentation
 
-Author: [@raindeer44](https://github.com/raindeer44)
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+Author: [@raindeer44](https://github.com/raindeer44)
+
+#### theta
+
+![theta theme](https://github.com/eendroroy/theta/raw/images/images/theta-mac.png "theta theme preview")
+
+##### Features
+
+* Working directory
+* Version control - branch, commit hash, dirty status, ahead/behind status
+* java, pyenv, rbenv. nodenv versions 
+* Supports both mac and linux
+* Asynchronously update prompt
+
+See [Repo](https://github.com/eendroroy/theta) for source & documentation.
+
+author: [@eendroroy](https://github.com/eendroroy)
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