Update README.md

Author: Evgeniy Khyst

README.md

@@ -1,4 +1,4 @@
-# Event Sourcing with Kafka and ksqlDB
+# Event Sourcing with PostgreSQL
 
 * [Introduction](#0b79795d3efc95b9976c7c5b933afce2)
 * [Example Domain](#8753dff3c2879207fa06ef1844b1ea4d)
@@ -26,6 +26,11 @@ This repository provides a sample of event sourced system that uses PostgreSQL a
 
 ![PostgreSQL Logo](img/potgresql-logo.png)
 
+See also
+
+* [Event Sourcing with Kafka and ksqlDB](https://github.com/evgeniy-khist/ksqldb-event-souring)
+* [Event Sourcing with EventStoreDB](https://github.com/evgeniy-khist/eventstoredb-event-sourcing)
+
 ## <a name="8753dff3c2879207fa06ef1844b1ea4d"></a>Example Domain
 
 The example domain is ride hailing.