diff --git a/source.md b/source.md
index 8b5cd36..1da0b1e 100644
--- a/source.md
+++ b/source.md
@@ -288,6 +288,7 @@ Also 👍| ⭐| 👏 links to support their authors !
 - [Dialogflow](https://github.com/VictorRancesCode/flutter_dialogflow) <!--stargazers:VictorRancesCode/flutter_dialogflow--> - Plugin to easily integrate with dialogflow by [Victor Rances](https://github.com/VictorRancesCode/)
 - [Intercom](https://pub.dartlang.org/packages/intercom) <!--stargazers:ChangeFinance/intercom_flutter--> - Add Intercom integration to your app by [Maido Kaara](https://github.com/v3rm0n)
 - [MLKit](https://github.com/azihsoyn/flutter_mlkit) <!--stargazers:azihsoyn/flutter_mlkit--> - Firebase Machine Learning Kit by [Naoya Yoshizawa](https://github.com/azihsoyn)
+- [OneSignal](https://github.com/OneSignal/OneSignal-Flutter-SDK) <!--stargazers:OneSignal/OneSignal-Flutter-SDK--> - Push notification service by [OneSignal](https://github.com/OneSignal)
 
 ### Scanner