diff --git a/.github/workflows/check-build-test.yml b/.github/workflows/check-build-test.yml
index 32416f91d..d5b52994e 100644
--- a/.github/workflows/check-build-test.yml
+++ b/.github/workflows/check-build-test.yml
@@ -1,3 +1,11 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# license agreements; and to You under the Apache License, version 2.0:
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# This file is part of the Apache Pekko project, which was derived from Akka.
+#
+
 name: CI
 
 on:
diff --git a/.github/workflows/dependency-graph.yml b/.github/workflows/dependency-graph.yml
index 829f31345..0f5a28496 100644
--- a/.github/workflows/dependency-graph.yml
+++ b/.github/workflows/dependency-graph.yml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 name: Update Dependency Graph
 on:
   push:
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 69cedc404..ee5296d1b 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 name: Scalafmt
 
 permissions: read-all
diff --git a/.github/workflows/headers.yml b/.github/workflows/headers.yml
index 9a3121162..545bb0c41 100644
--- a/.github/workflows/headers.yml
+++ b/.github/workflows/headers.yml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 name: Headers
 
 on:
diff --git a/.github/workflows/link-validator.yml b/.github/workflows/link-validator.yml
index e414b0c7c..313631e15 100644
--- a/.github/workflows/link-validator.yml
+++ b/.github/workflows/link-validator.yml
@@ -1,3 +1,11 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# license agreements; and to You under the Apache License, version 2.0:
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# This file is part of the Apache Pekko project, which was derived from Akka.
+#
+
 name: Link Validator
 
 on:
diff --git a/.github/workflows/nightly-builds.yaml b/.github/workflows/nightly-builds.yaml
index 934d074e9..c4d36cd07 100644
--- a/.github/workflows/nightly-builds.yaml
+++ b/.github/workflows/nightly-builds.yaml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 name: Nightly Builds
 
 on:
@@ -11,7 +28,22 @@ jobs:
   test-compile:
     name: Compile
     runs-on: ubuntu-22.04
-    if: github.repository == 'apache/pekko-connectors'
+    # Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/nightly-pekko-1.0-builds.yaml b/.github/workflows/nightly-pekko-1.0-builds.yaml
index 57fb03e0e..3970a420f 100644
--- a/.github/workflows/nightly-pekko-1.0-builds.yaml
+++ b/.github/workflows/nightly-pekko-1.0-builds.yaml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 name: Nightly Pekko 1.0 Builds
 
 on:
diff --git a/.github/workflows/publish-1.0-docs.yml b/.github/workflows/publish-1.0-docs.yml
index e362b0b2c..c0c23ac36 100644
--- a/.github/workflows/publish-1.0-docs.yml
+++ b/.github/workflows/publish-1.0-docs.yml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 name: Publish 1.0 docs
 
 on:
diff --git a/.github/workflows/publish-1.1-docs.yml b/.github/workflows/publish-1.1-docs.yml
index ba4cc84aa..60c1b9461 100644
--- a/.github/workflows/publish-1.1-docs.yml
+++ b/.github/workflows/publish-1.1-docs.yml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 name: Publish 1.1 docs
 
 on:
diff --git a/.github/workflows/publish-nightly.yml b/.github/workflows/publish-nightly.yml
index 4537d6287..e84a9615f 100644
--- a/.github/workflows/publish-nightly.yml
+++ b/.github/workflows/publish-nightly.yml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 name: Publish Nightly
 
 on:
diff --git a/.github/workflows/scala-steward.yml b/.github/workflows/scala-steward.yml
index 0afa37739..041af20f5 100644
--- a/.github/workflows/scala-steward.yml
+++ b/.github/workflows/scala-steward.yml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 on:
   workflow_dispatch:
   schedule: