diff --git a/by-topic.md b/by-topic.md
index dc4f07c..61a671a 100644
--- a/by-topic.md
+++ b/by-topic.md
@@ -239,6 +239,7 @@
 - [webapp](#webapp)
 - [webpack](#webpack)
 - [website](#website)
+- [whatsapp-bot](#whatsapp-bot)
 - [windows](#windows)
 - [wordpress](#wordpress)
 - [xml](#xml)
@@ -5313,6 +5314,10 @@
 - [picocms/Pico](https://github.com/picocms/Pico) - Pico is a stupidly simple, blazing fast, flat file CMS.
 - [getgrav/grav](https://github.com/getgrav/grav) - Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS powered by PHP, Markdown, Twig, and Symfony
 
+## whatsapp-bot 
+
+- [adeekshith/watomatic](https://github.com/adeekshith/watomatic) - Auto reply app to enable auto reply for messengers like WhatsApp and Facebook Messenger
+
 ## windows 
 
 - [k2-fsa/sherpa-onnx](https://github.com/k2-fsa/sherpa-onnx) - Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android