diff --git a/libraries-2/README.md b/libraries-2/README.md
index edf513c6ee..8dae12a1cf 100644
--- a/libraries-2/README.md
+++ b/libraries-2/README.md
@@ -18,5 +18,5 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
 - [Guide to MapDB](https://www.baeldung.com/mapdb)
 - [A Guide to Apache Mesos](https://www.baeldung.com/apache-mesos)
 - [JasperReports with Spring](https://www.baeldung.com/spring-jasper)
-- More articles [[<-- prev]](/libraries)
+- More articles [[<-- prev]](/libraries) [[next -->]](/libraries-3)
 
diff --git a/libraries-3/README.md b/libraries-3/README.md
index ec433960ef..7c30cabaf1 100644
--- a/libraries-3/README.md
+++ b/libraries-3/README.md
@@ -17,3 +17,4 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
 - [Using NullAway to Avoid NullPointerExceptions](https://www.baeldung.com/java-nullaway)
 - [Introduction to Alibaba Arthas](https://www.baeldung.com/java-alibaba-arthas-intro)
 - [Quick Guide to Spring Cloud Circuit Breaker](https://www.baeldung.com/spring-cloud-circuit-breaker)
+- More articles [[<-- prev]](/libraries-2) [[next -->]](/libraries-4)
\ No newline at end of file
diff --git a/libraries-4/README.md b/libraries-4/README.md
index 9cda07bdf5..0dee9f1c1e 100644
--- a/libraries-4/README.md
+++ b/libraries-4/README.md
@@ -18,4 +18,4 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
 - [Guide to JDeferred](https://www.baeldung.com/jdeferred)
 - [Introduction to MBassador](https://www.baeldung.com/mbassador)
 - [Using Pairs in Java](https://www.baeldung.com/java-pairs)
-- More articles [[next -->]](/libraries-2)
+- More articles [[<-- prev]](/libraries-3) [[next -->]](/libraries-5)
diff --git a/libraries/README.md b/libraries/README.md
index 3f259e4222..b61289504c 100644
--- a/libraries/README.md
+++ b/libraries/README.md
@@ -19,37 +19,4 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
 - [Software Transactional Memory in Java Using Multiverse](https://www.baeldung.com/java-multiverse-stm)
 - [Locality-Sensitive Hashing in Java Using Java-LSH](https://www.baeldung.com/locality-sensitive-hashing)
 - [Introduction to Neuroph](https://www.baeldung.com/neuroph)
-
-#4
-- [Quick Guide to RSS with Rome](https://www.baeldung.com/rome-rss)
-- [Introduction to PCollections](https://www.baeldung.com/java-pcollections)
-- [Introduction to Eclipse Collections](https://www.baeldung.com/eclipse-collections)
-- [DistinctBy in the Java Stream API](https://www.baeldung.com/java-streams-distinct-by)
-- [Introduction to NoException](https://www.baeldung.com/no-exception)
-- [Spring Yarg Integration](https://www.baeldung.com/spring-yarg)
-- [Delete a Directory Recursively in Java](https://www.baeldung.com/java-delete-directory)
-- [Guide to JDeferred](https://www.baeldung.com/jdeferred)
-- [Introduction to MBassador](https://www.baeldung.com/mbassador)
-- [Using Pairs in Java](https://www.baeldung.com/java-pairs)
-
-#5
-- [Introduction to Caffeine](https://www.baeldung.com/java-caching-caffeine)
-- [Introduction to StreamEx](https://www.baeldung.com/streamex)
-- [A Docker Guide for Java](https://www.baeldung.com/docker-java-api)
-- [Introduction to Akka Actors in Java](https://www.baeldung.com/akka-actors-java)
-- [A Guide to Byte Buddy](https://www.baeldung.com/byte-buddy)
-- [Introduction to jOOL](https://www.baeldung.com/jool)
-- [Consumer Driven Contracts with Pact](https://www.baeldung.com/pact-junit-consumer-driven-contracts)
-- [Introduction to Atlassian Fugue](https://www.baeldung.com/java-fugue)
-- [Publish and Receive Messages with Nats Java Client](https://www.baeldung.com/nats-java-client)
-- [Java Concurrency Utility with JCTools](https://www.baeldung.com/java-concurrency-jc-tools)
-
-#6
-- [Introduction to JavaPoet](https://www.baeldung.com/java-poet)
-- [Guide to Resilience4j](https://www.baeldung.com/resilience4j)
-- [Implementing a FTP-Client in Java](https://www.baeldung.com/java-ftp-client)
-- [Introduction to Functional Java](https://www.baeldung.com/java-functional-library)
-- [A Guide to the Reflections Library](https://www.baeldung.com/reflections-library)
-
-- [Exactly Once Processing in Kafka](https://www.baeldung.com/kafka-exactly-once)
 - More articles [[next -->]](/libraries-2)
diff --git a/libraries/pom.xml b/libraries/pom.xml
index da9c9de907..fee66f928d 100644
--- a/libraries/pom.xml
+++ b/libraries/pom.xml
@@ -12,18 +12,6 @@
     </parent>
 
     <dependencies>
-<!--        &lt;!&ndash; https://mvnrepository.com/artifact/com.typesafe.akka/akka-actor &ndash;&gt;-->
-<!--        <dependency>-->
-<!--            <groupId>com.typesafe.akka</groupId>-->
-<!--            <artifactId>akka-actor_2.12</artifactId>-->
-<!--            <version>${typesafe-akka.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>com.typesafe.akka</groupId>-->
-<!--            <artifactId>akka-testkit_2.12</artifactId>-->
-<!--            <version>${typesafe-akka.version}</version>-->
-<!--            <scope>test</scope>-->
-<!--        </dependency>-->
         <!-- https://mvnrepository.com/artifact/org.beykery/neuroph/2.92 -->
         <dependency>
             <groupId>org.beykery</groupId>
@@ -36,16 +24,16 @@
             <artifactId>cglib</artifactId>
             <version>${cglib.version}</version>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>org.apache.commons</groupId>-->
-<!--            <artifactId>commons-lang3</artifactId>-->
-<!--            <version>${commons-lang3.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>commons-net</groupId>-->
-<!--            <artifactId>commons-net</artifactId>-->
-<!--            <version>${commons-net.version}</version>-->
-<!--        </dependency>-->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-net</groupId>
+            <artifactId>commons-net</artifactId>
+            <version>${commons-net.version}</version>
+        </dependency>
 
         <dependency>
             <groupId>org.javatuples</groupId>
@@ -63,18 +51,6 @@
             <artifactId>javers-core</artifactId>
             <version>${javers.version}</version>
         </dependency>
-
-<!--        <dependency>-->
-<!--            <groupId>io.nats</groupId>-->
-<!--            <artifactId>jnats</artifactId>-->
-<!--            <version>${jnats.version}</version>-->
-<!--        </dependency>-->
-
-<!--        <dependency>-->
-<!--            <groupId>rome</groupId>-->
-<!--            <artifactId>rome</artifactId>-->
-<!--            <version>${rome.version}</version>-->
-<!--        </dependency>-->
         <dependency>
             <groupId>net.serenity-bdd</groupId>
             <artifactId>serenity-core</artifactId>
@@ -218,21 +194,16 @@
             <artifactId>quartz</artifactId>
             <version>${quartz.version}</version>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>one.util</groupId>-->
-<!--            <artifactId>streamex</artifactId>-->
-<!--            <version>${streamex.version}</version>-->
-<!--        </dependency>-->
         <dependency>
             <groupId>org.jooq</groupId>
             <artifactId>jool</artifactId>
             <version>${jool.version}</version>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>org.openjdk.jmh</groupId>-->
-<!--            <artifactId>jmh-core</artifactId>-->
-<!--            <version>${jmh.version}</version>-->
-<!--        </dependency>-->
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-core</artifactId>
+            <version>${jmh.version}</version>
+        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
@@ -244,119 +215,23 @@
             <artifactId>java-lsh</artifactId>
             <version>${java-lsh.version}</version>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>au.com.dius</groupId>-->
-<!--            <artifactId>pact-jvm-consumer-junit_2.11</artifactId>-->
-<!--            <version>${pact.version}</version>-->
-<!--            <scope>test</scope>-->
-<!--            <exclusions>-->
-<!--                <exclusion>-->
-<!--                    <groupId>org.codehaus.groovy</groupId>-->
-<!--                    <artifactId>groovy-all</artifactId>-->
-<!--                </exclusion>-->
-<!--            </exclusions>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>org.awaitility</groupId>-->
-<!--            <artifactId>awaitility</artifactId>-->
-<!--            <version>${awaitility.version}</version>-->
-<!--            <scope>test</scope>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>org.awaitility</groupId>-->
-<!--            <artifactId>awaitility-proxy</artifactId>-->
-<!--            <version>${awaitility.version}</version>-->
-<!--            <scope>test</scope>-->
-<!--        </dependency>-->
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commonsio.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>java-hamcrest</artifactId>
             <version>${org.hamcrest.java-hamcrest.version}</version>
             <scope>test</scope>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>net.bytebuddy</groupId>-->
-<!--            <artifactId>byte-buddy</artifactId>-->
-<!--            <version>${bytebuddy.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>net.bytebuddy</groupId>-->
-<!--            <artifactId>byte-buddy-agent</artifactId>-->
-<!--            <version>${bytebuddy.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>org.pcollections</groupId>-->
-<!--            <artifactId>pcollections</artifactId>-->
-<!--            <version>${pcollections.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>com.machinezoo.noexception</groupId>-->
-<!--            <artifactId>noexception</artifactId>-->
-<!--            <version>${noexception.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>org.eclipse.collections</groupId>-->
-<!--            <artifactId>eclipse-collections</artifactId>-->
-<!--            <version>${eclipse-collections.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>io.vavr</groupId>-->
-<!--            <artifactId>vavr</artifactId>-->
-<!--            <version>${vavr.version}</version>-->
-<!--        </dependency>-->
 
-<!--        <dependency>-->
-<!--            <groupId>com.haulmont.yarg</groupId>-->
-<!--            <artifactId>yarg</artifactId>-->
-<!--            <version>${yarg.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>net.engio</groupId>-->
-<!--            <artifactId>mbassador</artifactId>-->
-<!--            <version>${mbassador.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>org.jdeferred</groupId>-->
-<!--            <artifactId>jdeferred-core</artifactId>-->
-<!--            <version>${jdeferred.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>com.codepoetics</groupId>-->
-<!--            <artifactId>protonpack</artifactId>-->
-<!--            <version>${protonpack.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>org.functionaljava</groupId>-->
-<!--            <artifactId>functionaljava-java8</artifactId>-->
-<!--            <version>${functionaljava.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>com.github.ben-manes.caffeine</groupId>-->
-<!--            <artifactId>caffeine</artifactId>-->
-<!--            <version>${caffeine.version}</version>-->
-<!--        </dependency>-->
-
-<!--        &lt;!&ndash;Java Docker API Client &ndash;&gt;-->
-<!--        <dependency>-->
-<!--            <groupId>com.github.docker-java</groupId>-->
-<!--            <artifactId>docker-java</artifactId>-->
-<!--            <version>${docker.version}</version>-->
-<!--            <exclusions>-->
-<!--                <exclusion>-->
-<!--                    <groupId>org.slf4j</groupId>-->
-<!--                    <artifactId>slf4j-log4j12</artifactId>-->
-<!--                </exclusion>-->
-<!--                <exclusion>-->
-<!--                    <groupId>org.slf4j</groupId>-->
-<!--                    <artifactId>jcl-over-slf4j</artifactId>-->
-<!--                </exclusion>-->
-<!--                <exclusion>-->
-<!--                    <groupId>ch.qos.logback</groupId>-->
-<!--                    <artifactId>logback-classic</artifactId>-->
-<!--                </exclusion>-->
-<!--            </exclusions>-->
-<!--        </dependency>-->
-<!--        &lt;!&ndash;Java Docker API Client &ndash;&gt;-->
+        <dependency>
+            <groupId>com.codepoetics</groupId>
+            <artifactId>protonpack</artifactId>
+            <version>${protonpack.version}</version>
+        </dependency>
 
         <!-- google api -->
         <dependency>
@@ -364,77 +239,12 @@
             <artifactId>google-oauth-client-jetty</artifactId>
             <version>${google-api.version}</version>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>org.apache.kafka</groupId>-->
-<!--            <artifactId>kafka-streams</artifactId>-->
-<!--            <version>${kafka.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>org.apache.kafka</groupId>-->
-<!--            <artifactId>kafka-clients</artifactId>-->
-<!--            <version>${kafka.version}</version>-->
-<!--            <classifier>test</classifier>-->
-<!--            <scope>test</scope>-->
-<!--        </dependency>-->
-
-<!--        &lt;!&ndash; Atlassian Fugue &ndash;&gt;-->
-<!--        <dependency>-->
-<!--            <groupId>io.atlassian.fugue</groupId>-->
-<!--            <artifactId>fugue</artifactId>-->
-<!--            <version>${fugue.version}</version>-->
-<!--        </dependency>-->
-
-<!--        <dependency>-->
-<!--            <groupId>org.jctools</groupId>-->
-<!--            <artifactId>jctools-core</artifactId>-->
-<!--            <version>${jctools.version}</version>-->
-<!--        </dependency>-->
-
-        <!-- resilience4j -->
-<!--        <dependency>-->
-<!--            <groupId>io.github.resilience4j</groupId>-->
-<!--            <artifactId>resilience4j-circuitbreaker</artifactId>-->
-<!--            <version>${resilience4j.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>io.github.resilience4j</groupId>-->
-<!--            <artifactId>resilience4j-bulkhead</artifactId>-->
-<!--            <version>${resilience4j.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>io.github.resilience4j</groupId>-->
-<!--            <artifactId>resilience4j-retry</artifactId>-->
-<!--            <version>${resilience4j.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>io.github.resilience4j</groupId>-->
-<!--            <artifactId>resilience4j-timelimiter</artifactId>-->
-<!--            <version>${resilience4j.version}</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>com.squareup</groupId>-->
-<!--            <artifactId>javapoet</artifactId>-->
-<!--            <version>${javapoet.version}</version>-->
-<!--        </dependency>-->
         <dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>hamcrest-all</artifactId>
             <version>${hamcrest-all.version}</version>
             <scope>test</scope>
         </dependency>
-
-<!--        <dependency>-->
-<!--            <groupId>org.mockftpserver</groupId>-->
-<!--            <artifactId>MockFtpServer</artifactId>-->
-<!--            <version>${mockftpserver.version}</version>-->
-<!--            <scope>test</scope>-->
-<!--        </dependency>-->
-<!--        &lt;!&ndash; Reflections &ndash;&gt;-->
-<!--        <dependency>-->
-<!--            <groupId>org.reflections</groupId>-->
-<!--            <artifactId>reflections</artifactId>-->
-<!--            <version>${reflections.version}</version>-->
-<!--        </dependency>-->
     </dependencies>
 
     <repositories>
@@ -562,8 +372,6 @@
         <javatuples.version>1.2</javatuples.version>
         <assertj.version>3.6.2</assertj.version>
         <javers.version>3.1.0</javers.version>
-<!--        <jnats.version>1.0</jnats.version>-->
-
         <neuroph.version>2.92</neuroph.version>
         <serenity.version>1.9.26</serenity.version>
         <serenity.jbehave.version>1.41.0</serenity.jbehave.version>
@@ -572,26 +380,10 @@
         <jUnitParams.version>1.1.0</jUnitParams.version>
         <java-lsh.version>0.10</java-lsh.version>
         <pact.version>3.5.0</pact.version>
-<!--        <awaitility.version>3.0.0</awaitility.version>-->
         <org.hamcrest.java-hamcrest.version>2.0.0.0</org.hamcrest.java-hamcrest.version>
-<!--        <bytebuddy.version>1.7.1</bytebuddy.version>-->
-<!--        <pcollections.version>2.1.2</pcollections.version>-->
-<!--        <rome.version>1.0</rome.version>-->
-<!--        <eclipse-collections.version>8.2.0</eclipse-collections.version>-->
-<!--        <streamex.version>0.6.5</streamex.version>-->
-<!--        <vavr.version>0.9.0</vavr.version>-->
-
-<!--        <protonpack.version>1.15</protonpack.version>-->
-<!--        <caffeine.version>2.5.5</caffeine.version>-->
+        <protonpack.version>1.15</protonpack.version>
         <google-api.version>1.23.0</google-api.version>
-<!--        <kafka.version>2.0.0</kafka.version>-->
-<!--        <docker.version>3.0.14</docker.version>-->
-
         <jets3t-version>0.9.4.0006L</jets3t-version>
-<!--        <jctools.version>2.1.2</jctools.version>-->
-<!--        <typesafe-akka.version>2.5.11</typesafe-akka.version>-->
-<!--        <resilience4j.version>0.12.1</resilience4j.version>-->
-<!--        <javapoet.version>1.10.0</javapoet.version>-->
         <hamcrest-all.version>1.3</hamcrest-all.version>
         <javax.jdo.version>3.2.0-m7</javax.jdo.version>
         <datanucleus.version>5.1.1</datanucleus.version>
@@ -603,17 +395,10 @@
         <spring-mock-mvc.version>3.0.3</spring-mock-mvc.version>
         <quartz.version>2.3.0</quartz.version>
         <jool.version>0.9.12</jool.version>
-<!--        <jmh.version>1.19</jmh.version>-->
-<!--        <noexception.version>1.1.0</noexception.version>-->
-<!--        <yarg.version>2.0.4</yarg.version>-->
-<!--        <mbassador.version>1.3.1</mbassador.version>-->
-<!--        <jdeferred.version>1.2.6</jdeferred.version>-->
-<!--        <functionaljava.version>4.8.1</functionaljava.version>-->
-<!--        <fugue.version>4.5.1</fugue.version>-->
+        <jmh.version>1.19</jmh.version>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
-<!--        <mockftpserver.version>2.7.1</mockftpserver.version>-->
-<!--        <commons-net.version>3.6</commons-net.version>-->
-<!--        <reflections.version>0.9.11</reflections.version>-->
+        <commons-net.version>3.6</commons-net.version>
+        <commonsio.version>2.6</commonsio.version>
     </properties>
 
 </project>