diff --git a/spring-web-reactive/src/main/java/org/springframework/core/codec/package-info.java b/spring-web-reactive/src/main/java/org/springframework/core/codec/package-info.java
new file mode 100644
index 00000000000..c71c068caad
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/core/codec/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Root-package for codecs used to transform streams of bytes.
+ * Used for example for serialization/deserialization.
+ */
+package org.springframework.core.codec;
diff --git a/spring-web-reactive/src/main/java/org/springframework/core/codec/support/package-info.java b/spring-web-reactive/src/main/java/org/springframework/core/codec/support/package-info.java
new file mode 100644
index 00000000000..634952baf08
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/core/codec/support/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * This package contains codec implementations.
+ */
+package org.springframework.core.codec.support;
diff --git a/spring-web-reactive/src/main/java/org/springframework/core/convert/support/package-info.java b/spring-web-reactive/src/main/java/org/springframework/core/convert/support/package-info.java
new file mode 100644
index 00000000000..f81a625d7cb
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/core/convert/support/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Default implementation of the type conversion system.
+ */
+package org.springframework.core.convert.support;
diff --git a/spring-web-reactive/src/main/java/org/springframework/http/client/package-info.java b/spring-web-reactive/src/main/java/org/springframework/http/client/package-info.java
new file mode 100644
index 00000000000..d9130277252
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/http/client/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Core package of the client-side web support.
+ * Provides a RestTemplate class and various callback interfaces.
+ */
+package org.springframework.http.client;
diff --git a/spring-web-reactive/src/main/java/org/springframework/http/server/reactive/package-info.java b/spring-web-reactive/src/main/java/org/springframework/http/server/reactive/package-info.java
new file mode 100644
index 00000000000..d9c4967c6a8
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/http/server/reactive/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Core package of the reactive server-side HTTP support.
+ */
+package org.springframework.http.server.reactive;
diff --git a/spring-web-reactive/src/main/java/org/springframework/util/package-info.java b/spring-web-reactive/src/main/java/org/springframework/util/package-info.java
new file mode 100644
index 00000000000..02cc0f8c2ac
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/util/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Miscellaneous utility classes, such as InputStream/OutputStream manipulation utilities.
+ */
+package org.springframework.util;
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/package-info.java b/spring-web-reactive/src/main/java/org/springframework/web/package-info.java
new file mode 100644
index 00000000000..c3e2e97b728
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Common, generic interfaces that define minimal boundary points
+ * between Spring's web infrastructure and other framework modules.
+ */
+package org.springframework.web;
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/reactive/handler/package-info.java b/spring-web-reactive/src/main/java/org/springframework/web/reactive/handler/package-info.java
new file mode 100644
index 00000000000..9e6c1eba581
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/reactive/handler/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Provides reactive HandlerMapping implementations.
+ */
+package org.springframework.web.reactive.handler;
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/reactive/method/annotation/package-info.java b/spring-web-reactive/src/main/java/org/springframework/web/reactive/method/annotation/package-info.java
new file mode 100644
index 00000000000..cd65a7ee26d
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/reactive/method/annotation/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Reactive infrastructure for annotation-based handler method processing.
+ */
+package org.springframework.web.reactive.method.annotation;
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/reactive/method/package-info.java b/spring-web-reactive/src/main/java/org/springframework/web/reactive/method/package-info.java
new file mode 100644
index 00000000000..96a7727322b
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/reactive/method/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Reactive infrastructure for handler method processing.
+ */
+package org.springframework.web.reactive.method;
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/reactive/package-info.java b/spring-web-reactive/src/main/java/org/springframework/web/reactive/package-info.java
new file mode 100644
index 00000000000..9ec7eabc9a5
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/reactive/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Provides the core interfaces and classes for the Spring web reactive framework.
+ */
+package org.springframework.web.reactive;
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/server/package-info.java b/spring-web-reactive/src/main/java/org/springframework/web/server/package-info.java
new file mode 100644
index 00000000000..5d344fadcdc
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/server/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Web server infrastructure like filter, exchange (request + response), etc.
+ */
+package org.springframework.web.server;