Most referenced Java packages

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Most referenced Java packages.
junit (4.12)
GroupId: junit
JUnit is the default Test Framework for Java. It is really easy to use and well documented. If you have to write unit tests in...
References: 76915 | License: EPL-1.0
Released: over 2 years ago.
slf4j-api (1.7.25)
GroupId: org.slf4j
The slf4j API
References: 36255 | License: MIT
Released: 2 months ago.
scala-library (2.12.2)
GroupId: org.scala-lang
Standard library for the Scala Programming Language
References: 21629 | License: BSD-3-Clause
Released: about 1 month ago.
log4j (1.2.17)
GroupId: log4j
This is the de facto standard for logging in the Java World. It offers various log levels, different output streams and flexib...
References: 21357 | License: Apache-2.0
Released: almost 5 years ago.
guava (21.0)
GroupId: com.google.guava
Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much ...
References: 19966 | License: Apache-2.0
Released: 4 months ago.
commons-io (2.5)
GroupId: commons-io
The Commons IO library contains utility classes, stream implementations, file filters, file comparators, endian transformati...
References: 19381 | License: Apache-2.0
Released: about 1 year ago.
slf4j-log4j12 (1.7.25)
GroupId: org.slf4j
SLF4J LOG4J-12 Binding
References: 17708 | License: MIT
Released: 2 months ago.
logback-classic (1.2.3)
GroupId: ch.qos.logback
logback-classic module
References: 16578 | License: EPL-1.0, LGPL-3.0
Released: about 2 months ago.
mockito-all (1.10.19)
GroupId: org.mockito
Mock objects library for java
References: 15732 | License: MIT
Released: over 2 years ago.
mockito-core (2.7.22)
GroupId: org.mockito
Mock objects library for java
References: 15277 | License: MIT
Released: about 2 months ago.
commons-lang (2.6)
GroupId: commons-lang
Commons.Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be...
References: 14829 | License: Apache-2.0
Released: over 6 years ago.
commons-codec (1.10)
GroupId: commons-codec
The codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition ...
References: 14007 | License: Apache-2.0
Released: over 2 years ago.
servlet-api (3.0.1)
GroupId: javax.servlet
References: 13209 | License: CDDL+GPLv2 with classpath exception
Released: over 4 years ago.
httpclient (4.5.3)
GroupId: org.apache.httpcomponents
HttpComponents Client (base module)
References: 12914 | License: Apache-2.0
Released: 4 months ago.
jcl-over-slf4j (1.7.25)
GroupId: org.slf4j
JCL 1.1.1 implemented over SLF4J
References: 12649 | License: MIT
Released: 2 months ago.
jackson-databind (2.9.0.pr3)
GroupId: com.fasterxml.jackson.core
General data-binding functionality for Jackson: works on core streaming API
References: 12566 | License: Apache-2.0
Released: 28 days ago.
commons-logging (1.2)
GroupId: commons-logging
Commons Logging is a thin adapter allowing configurable bridging to other, well known logging systems.
References: 12411 | License: Apache-2.0
Released: almost 3 years ago.
clojure (1.8.0)
GroupId: org.clojure
Clojure core environment and runtime library.
References: 12067 | License: EPL-1.0
Released: over 1 year ago.
commons-collections (3.2.2)
GroupId: commons-collections
Commons Collections
References: 11774 | License: Apache-2.0
Released: over 1 year ago.
spring-context (4.3.8.RELEASE)
GroupId: org.springframework
Spring Context
References: 11618 | License: Apache-2.0
Released: about 1 month ago.
joda-time (2.9.9)
GroupId: joda-time
Date and time library to replace JDK date handling
References: 11563 | License: Apache-2.0
Released: 2 months ago.
commons-lang3 (3.5)
GroupId: org.apache.commons
Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be s...
References: 11475 | License: Apache-2.0
Released: 7 months ago.
slf4j-simple (1.7.25)
GroupId: org.slf4j
SLF4J Simple binding
References: 11169 | License: MIT
Released: 2 months ago.
javax.servlet-api (3.1.0)
GroupId: javax.servlet
References: 10645 | License: CDDL+GPLv2 with classpath exception
Released: about 4 years ago.
spring-core (4.3.8.RELEASE)
GroupId: org.springframework
Spring is the most popular application development framework for enterprise Java. It offers a very good implementation of the ...
References: 10224 | License: Apache-2.0
Released: about 1 month ago.
jackson-core (2.9.0.pr3)
GroupId: com.fasterxml.jackson.core
Core Jackson abstractions, basic JSON streaming API implementation
References: 10175 | License: Apache-2.0
Released: 28 days ago.
testng (6.11)
GroupId: org.testng
TestNG is a testing framework.
References: 10017 | License: Apache-2.0
Released: 3 months ago.
spring-test (4.3.8.RELEASE)
GroupId: org.springframework
Spring TestContext Framework
References: 9949 | License: Apache-2.0
Released: about 1 month ago.
jackson-annotations (2.9.0.pr3)
GroupId: com.fasterxml.jackson.core
Core annotations used for value types, used by Jackson data binding package.
References: 9569 | License: Apache-2.0
Released: 28 days ago.
spring-beans (4.3.8.RELEASE)
GroupId: org.springframework
Spring Beans
References: 9543 | License: Apache-2.0
Released: about 1 month ago.