diff --git a/Documentation.md b/Documentation.md
index 496fc0d..96bda9e 100644
--- a/Documentation.md
+++ b/Documentation.md
@@ -1,3 +1,12 @@
+### used libraries and apis
+
+JFoenix: https://github.com/jfoenixadmin/JFoenix
+minimal-json: https://github.com/ralfstx/minimal-json
+sqlite-jdbc: https://github.com/xerial/sqlite-jdbc
+apache commons io: https://commons.apache.org/proper/commons-io/
+
+omdbapi: http://omdbapi.com/
+
 ### naming schema
 
 plasma + name -> glowing + name -> solidify + name -> fossilized + name