diff --git a/rails/rails_start.md b/rails/rails_start.md
index 9507097..3f3c79a 100644
--- a/rails/rails_start.md
+++ b/rails/rails_start.md
@@ -36,6 +36,7 @@ _this is a draft - we are working on it_
 ## API
 
 - grape ? rocket pants
+- active_model_serializers
 
 ## Frontend frameworks
 
@@ -54,6 +55,10 @@ _this is a draft - we are working on it_
 
 ## Testing
 
+- factory_girl_rails
+- simplecov - test coverage statistics
+- konacha - testing javascript with the mocha test framework and chai assertion library
+
 ## Other
 
 - carierwave for file uploads
@@ -61,6 +66,14 @@ _this is a draft - we are working on it_
 - whenever (cron controller)
 - figaro for managing environment variables
 
+## Services / Interactors
+
+- active_interaction
+
+## Elasticsearch / Indexing
+
+- chewy
+