diff --git a/pl/cross/tools/ide/vscode/ext/pl/java/refactoring.txt b/pl/cross/tools/ide/vscode/ext/pl/java/refactoring.txt
new file mode 100644
index 000000000..7e02a6052
--- /dev/null
+++ b/pl/cross/tools/ide/vscode/ext/pl/java/refactoring.txt
@@ -0,0 +1 @@
+https://code.visualstudio.com/docs/java/java-refactoring
diff --git a/pl/java/jdk/21/virtual-threads.txt b/pl/java/jdk/21/virtual-threads.txt
new file mode 100644
index 000000000..fdeca560b
--- /dev/null
+++ b/pl/java/jdk/21/virtual-threads.txt
@@ -0,0 +1,3 @@
+2023
+Java 21 new feature: Virtual Thread 0:00 of 33:34
+    https://www.youtube.com/watch?v=5E0LU85EnTI
diff --git a/pl/java/libfws/io/workflow/kestra.txt b/pl/java/libfws/io/workflow/kestra.txt
new file mode 100644
index 000000000..8cc6193aa
--- /dev/null
+++ b/pl/java/libfws/io/workflow/kestra.txt
@@ -0,0 +1,8 @@
+https://kestra.io/
+https://kestra.io/docs
+
+https://github.com/kestra-io/kestra
+https://www.youtube.com/@kestra-io
+
+2021
+https://www.loicmathieu.fr/wordpress/en/informatique/le-profiler-sql-de-visualvm/
diff --git a/pl/java/tools/quality/testing/testcontainers/desktop.txt b/pl/java/tools/quality/testing/testcontainers/desktop.txt
index 909e7272c..1db3fe0f5 100644
--- a/pl/java/tools/quality/testing/testcontainers/desktop.txt
+++ b/pl/java/tools/quality/testing/testcontainers/desktop.txt
@@ -1,4 +1,5 @@
 https://testcontainers.com/desktop/
 
 2023
+https://www.atomicjar.com/2023/08/joyful-quarkus-application-development-using-testcontainers-desktop/
 https://testcontainers.com/guides/simple-local-development-with-testcontainers-desktop